31112034412 has 24 divisors (see below), whose sum is σ = 55779869376. Its totient is φ = 15175807248.

The previous prime is 31112034397. The next prime is 31112034463. The reversal of 31112034412 is 21443021113.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32883 + ... + 251605.

It is an arithmetic number, because the mean of its divisors is an integer number (2324161224).

Almost surely, 2^31112034412 is an apocalyptic number.

It is an amenable number.

31112034412 is a deficient number, since it is larger than the sum of its proper divisors (24667834964).

31112034412 is a wasteful number, since it uses less digits than its factorization.

31112034412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219597 (or 219595 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 31112034412 its reverse (21443021113), we get a palindrome (52555055525).

The spelling of 31112034412 in words is "thirty-one billion, one hundred twelve million, thirty-four thousand, four hundred twelve".