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31202010320130 = 232513263101400703
BaseRepresentation
bin1110001100000110010001…
…01111011100110100000010
311002110212211202011201020200
413012003020233130310002
513042203204120221010
6150210001115550030
76400161621465666
oct706031057346402
9132425752151220
1031202010320130
119a3a775433441
1235bb1aa15b316
13145444c3757a0
1479c2848988a6
15391981214cc0
hex1c60c8bdcd02

31202010320130 has 96 divisors (see below), whose sum is σ = 87697818464256. Its totient is φ = 7651291370112.

The previous prime is 31202010320081. The next prime is 31202010320153. The reversal of 31202010320130 is 3102301020213.

31202010320130 is a `hidden beast` number, since 3 + 1 + 202 + 0 + 10 + 320 + 130 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50392642 + ... + 51008061.

It is an arithmetic number, because the mean of its divisors is an integer number (913518942336).

Almost surely, 231202010320130 is an apocalyptic number.

31202010320130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31202010320130 is an abundant number, since it is smaller than the sum of its proper divisors (56495808144126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31202010320130 is a wasteful number, since it uses less digits than its factorization.

31202010320130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101400992 (or 101400989 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 31202010320130 its reverse (3102301020213), we get a palindrome (34304311340343).

The spelling of 31202010320130 in words is "thirty-one trillion, two hundred two billion, ten million, three hundred twenty thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 30 39 45 65 78 90 117 130 195 234 263 390 526 585 789 1170 1315 1578 2367 2630 3419 3945 4734 6838 7890 10257 11835 17095 20514 23670 30771 34190 51285 61542 102570 153855 307710 101400703 202801406 304202109 507003515 608404218 912606327 1014007030 1318209139 1521010545 1825212654 2636418278 3042021090 3954627417 4563031635 6591045695 7909254834 9126063270 11863882251 13182091390 19773137085 23727764502 26668384889 39546274170 53336769778 59319411255 80005154667 118638822510 133341924445 160010309334 240015464001 266683848890 346689003557 400025773335 480030928002 693378007114 800051546670 1040067010671 1200077320005 1733445017785 2080134021342 2400154640010 3120201032013 3466890035570 5200335053355 6240402064026 10400670106710 15601005160065 31202010320130