31113123232 has 24 divisors (see below), whose sum is σ = 61275551652. Its totient is φ = 15551078400.

The previous prime is 31113123221. The next prime is 31113123253. The reversal of 31113123232 is 23232131113.

It can be written as a sum of positive squares in 2 ways, for example, as 29105724816 + 2007398416 = 170604^2 + 44804^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78369 + ... + 261472.

Almost surely, 2^31113123232 is an apocalyptic number.

31113123232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31113123232 is a deficient number, since it is larger than the sum of its proper divisors (30162428420).

31113123232 is a wasteful number, since it uses less digits than its factorization.

31113123232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342712 (or 342704 counting only the distinct ones).

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

Adding to 31113123232 its reverse (23232131113), we get a palindrome (54345254345).

The spelling of 31113123232 in words is "thirty-one billion, one hundred thirteen million, one hundred twenty-three thousand, two hundred thirty-two".