31035243112 has 32 divisors (see below), whose sum is σ = 64856937600. Its totient is φ = 13836144384.

The previous prime is 31035243101. The next prime is 31035243149. The reversal of 31035243112 is 21134253013.

It is a happy number.

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, 6002688 + ... + 6007855.

It is an arithmetic number, because the mean of its divisors is an integer number (2026779300).

Almost surely, 2^31035243112 is an apocalyptic number.

It is an amenable number.

31035243112 is an abundant number, since it is smaller than the sum of its proper divisors (33821694488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31035243112 is a wasteful number, since it uses less digits than its factorization.

31035243112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12010585 (or 12010581 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 31035243112 its reverse (21134253013), we get a palindrome (52169496125).

Subtracting from 31035243112 its reverse (21134253013), we obtain a palindrome (9900990099).

The spelling of 31035243112 in words is "thirty-one billion, thirty-five million, two hundred forty-three thousand, one hundred twelve".