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1031230220130 = 2325113709280843
BaseRepresentation
bin11110000000110100001…
…11000110011101100010
310122120210012120222121200
433000122013012131202
5113343424414021010
62105423550302030
7134334563146335
oct17003207063542
93576705528550
101031230220130
11368384636580
12147a38ab7916
13763244a6336
1437caa00a61c
151bc58399cc0
hexf01a1c6762

1031230220130 has 96 divisors (see below), whose sum is σ = 2925742921920. Its totient is φ = 249926912640.

The previous prime is 1031230220123. The next prime is 1031230220131. The reversal of 1031230220130 is 310220321301.

1031230220130 is a `hidden beast` number, since 1 + 0 + 312 + 3 + 0 + 220 + 130 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (1031230220131) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3531489 + ... + 3812331.

It is an arithmetic number, because the mean of its divisors is an integer number (30476488770).

Almost surely, 21031230220130 is an apocalyptic number.

1031230220130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1031230220130 is an abundant number, since it is smaller than the sum of its proper divisors (1894512701790).

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

1031230220130 is a wasteful number, since it uses less digits than its factorization.

1031230220130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284576 (or 284573 counting only the distinct ones).

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

Adding to 1031230220130 its reverse (310220321301), we get a palindrome (1341450541431).

The spelling of 1031230220130 in words is "one trillion, thirty-one billion, two hundred thirty million, two hundred twenty thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 90 99 110 165 198 330 495 990 3709 7418 11127 18545 22254 33381 37090 40799 55635 66762 81598 111270 122397 166905 203995 244794 280843 333810 367191 407990 561686 611985 734382 842529 1223970 1404215 1685058 1835955 2527587 2808430 3089273 3671910 4212645 5055174 6178546 8425290 9267819 12637935 15446365 18535638 25275870 27803457 30892730 46339095 55606914 92678190 139017285 278034570 1041646687 2083293374 3124940061 5208233435 6249880122 9374820183 10416466870 11458113557 15624700305 18749640366 22916227114 31249400610 34374340671 46874100915 57290567785 68748681342 93748201830 103123022013 114581135570 171871703355 206246044026 343743406710 515615110065 1031230220130