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313231110011 = 29411275993463
BaseRepresentation
bin1001000111011100000…
…01110110111101111011
31002221111121121001112122
410203232001312331323
520112444131010021
6355521341431455
731426105335161
oct4435601667573
91087447531478
10313231110011
11110927883066
125085856b58b
13236cb05aba1
141123646b231
158234062bab
hex48ee076f7b

313231110011 has 32 divisors (see below), whose sum is σ = 335204352000. Its totient is φ = 292157349120.

The previous prime is 313231109941. The next prime is 313231110013. The reversal of 313231110011 is 110011132313.

It is a cyclic number.

It is not a de Polignac number, because 313231110011 - 226 = 313164001147 is a prime.

It is a super-2 number, since 2×3132311100112 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313231110013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90449066 + ... + 90452528.

It is an arithmetic number, because the mean of its divisors is an integer number (10475136000).

Almost surely, 2313231110011 is an apocalyptic number.

313231110011 is a deficient number, since it is larger than the sum of its proper divisors (21973241989).

313231110011 is a wasteful number, since it uses less digits than its factorization.

313231110011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4259.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 313231110011 its reverse (110011132313), we get a palindrome (423242242324).

The spelling of 313231110011 in words is "three hundred thirteen billion, two hundred thirty-one million, one hundred ten thousand, eleven".

Divisors: 1 29 41 127 599 1189 3463 3683 5207 17371 24559 76073 100427 141983 151003 439801 712211 2074337 2206117 3118993 4117507 12754229 18031841 60155773 85047817 90450797 263440799 522923389 2466386693 7639783171 10801072759 313231110011