31312323110032 has 40 divisors (see below), whose sum is σ = 61732993121280. Its totient is φ = 15381547271040.

The previous prime is 31312323109981. The next prime is 31312323110039. The reversal of 31312323110032 is 23001132321313.

It is a super-3 number, since 3×31312323110032³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31312323109979 and 31312323110006.

It is not an unprimeable number, because it can be changed into a prime (31312323110039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8403019 + ... + 11542762.

It is an arithmetic number, because the mean of its divisors is an integer number (1543324828032).

Almost surely, 2^{31312323110032} is an apocalyptic number.

It is an amenable number.

31312323110032 is a deficient number, since it is larger than the sum of its proper divisors (30420670011248).

31312323110032 is a wasteful number, since it uses less digits than its factorization.

31312323110032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19947511 (or 19947505 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 31312323110032 its reverse (23001132321313), we get a palindrome (54313455431345).

The spelling of 31312323110032 in words is "thirty-one trillion, three hundred twelve billion, three hundred twenty-three million, one hundred ten thousand, thirty-two".