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10313131131 = 323373499743
BaseRepresentation
bin10011001101011010…
…11110010001111011
3222121201222100021200
421212231132101323
5132110130144011
64423210105243
7513366111462
oct114655362173
928551870250
1010313131131
114412548076
121bb9a1b223
13c84835074
146db9939d9
15405612856
hex266b5e47b

10313131131 has 24 divisors (see below), whose sum is σ = 14985297600. Its totient is φ = 6834675456.

The previous prime is 10313131123. The next prime is 10313131151. The reversal of 10313131131 is 13113131301.

10313131131 is a `hidden beast` number, since 10 + 313 + 1 + 311 + 31 = 666.

It is not a de Polignac number, because 10313131131 - 23 = 10313131123 is a prime.

It is a super-2 number, since 2×103131311312 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10313131151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1053646 + ... + 1063388.

It is an arithmetic number, because the mean of its divisors is an integer number (624387400).

Almost surely, 210313131131 is an apocalyptic number.

10313131131 is a deficient number, since it is larger than the sum of its proper divisors (4672166469).

10313131131 is a wasteful number, since it uses less digits than its factorization.

10313131131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10435 (or 10432 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 18.

Adding to 10313131131 its reverse (13113131301), we get a palindrome (23426262432).

The spelling of 10313131131 in words is "ten billion, three hundred thirteen million, one hundred thirty-one thousand, one hundred thirty-one".

Divisors: 1 3 9 337 349 1011 1047 3033 3141 9743 29229 87687 117613 352839 1058517 3283391 3400307 9850173 10200921 29550519 30602763 1145903459 3437710377 10313131131