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1313122230310 = 251135982940111
BaseRepresentation
bin10011000110111100001…
…011110010000000100110
311122112101202010211011011
4103012330023302000212
5133003233242332220
62443123502332434
7163604251536532
oct23067413620046
94575352124134
101313122230310
1146698a2a2030
121925a9b8a11a
1396a998c4267
14477ac250bc2
1524255e6d65a
hex131bc2f2026

1313122230310 has 64 divisors (see below), whose sum is σ = 2588860569600. Its totient is φ = 475582665600.

The previous prime is 1313122230281. The next prime is 1313122230347. The reversal of 1313122230310 is 130322213131.

It is a super-2 number, since 2×13131222303102 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32717155 + ... + 32757265.

It is an arithmetic number, because the mean of its divisors is an integer number (40450946400).

Almost surely, 21313122230310 is an apocalyptic number.

1313122230310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1313122230310 is a deficient number, since it is larger than the sum of its proper divisors (1275738339290).

1313122230310 is a wasteful number, since it uses less digits than its factorization.

1313122230310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41317.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1313122230310 its reverse (130322213131), we get a palindrome (1443444443441).

The spelling of 1313122230310 in words is "one trillion, three hundred thirteen billion, one hundred twenty-two million, two hundred thirty thousand, three hundred ten".

Divisors: 1 2 5 10 11 22 55 110 359 718 829 1658 1795 3590 3949 4145 7898 8290 9119 18238 19745 39490 40111 45595 80222 91190 200555 297611 401110 441221 595222 882442 1488055 2206105 2976110 3273721 4412210 6547442 14399849 16368605 28799698 32737210 33252019 66504038 71999245 143998490 158398339 166260095 316796678 332520190 365772209 731544418 791991695 1583983390 1828861045 3657722090 11937474821 23874949642 59687374105 119374748210 131312223031 262624446062 656561115155 1313122230310