31310112010 has 16 divisors (see below), whose sum is σ = 56905370496. Its totient is φ = 12402451728.

The previous prime is 31310111971. The next prime is 31310112011. The reversal of 31310112010 is 1021101313.

It is a super-2 number, since 2×31310112010² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31310112011) 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, 15198054 + ... + 15200113.

It is an arithmetic number, because the mean of its divisors is an integer number (3556585656).

Almost surely, 2^31310112010 is an apocalyptic number.

31310112010 is a deficient number, since it is larger than the sum of its proper divisors (25595258486).

31310112010 is a wasteful number, since it uses less digits than its factorization.

31310112010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30398277.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 31310112010 its reverse (1021101313), we get a palindrome (32331213323).

The spelling of 31310112010 in words is "thirty-one billion, three hundred ten million, one hundred twelve thousand, ten".