31031013164 has 12 divisors (see below), whose sum is σ = 54346806864. Its totient is φ = 15503354064.

The previous prime is 31031013163. The next prime is 31031013259. The reversal of 31031013164 is 46131013013.

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 3 ways as a sum of consecutive naturals, for example, 3032384 + ... + 3042599.

It is an arithmetic number, because the mean of its divisors is an integer number (4528900572).

Almost surely, 2^31031013164 is an apocalyptic number.

It is an amenable number.

31031013164 is a deficient number, since it is larger than the sum of its proper divisors (23315793700).

31031013164 is a wasteful number, since it uses less digits than its factorization.

31031013164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6076264 (or 6076262 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 31031013164 its reverse (46131013013), we get a palindrome (77162026177).

The spelling of 31031013164 in words is "thirty-one billion, thirty-one million, thirteen thousand, one hundred sixty-four".