31031013162 has 16 divisors (see below), whose sum is σ = 62328389760. Its totient is φ = 10299277152.

The previous prime is 31031013157. The next prime is 31031013163. The reversal of 31031013162 is 26131013013.

It is not an unprimeable number, because it can be changed into a prime (31031013163) 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, 11096962 + ... + 11099757.

It is an arithmetic number, because the mean of its divisors is an integer number (3895524360).

Almost surely, 2^31031013162 is an apocalyptic number.

31031013162 is an abundant number, since it is smaller than the sum of its proper divisors (31297376598).

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

31031013162 is a wasteful number, since it uses less digits than its factorization.

31031013162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22196957.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 31031013162 its reverse (26131013013), we get a palindrome (57162026175).

The spelling of 31031013162 in words is "thirty-one billion, thirty-one million, thirteen thousand, one hundred sixty-two".