31004268164 has 12 divisors (see below), whose sum is σ = 54411175644. Its totient is φ = 15458217984.

The previous prime is 31004268161. The next prime is 31004268233. The reversal of 31004268164 is 46186240013.

It can be written as a sum of positive squares in 2 ways, for example, as 11871845764 + 19132422400 = 108958^2 + 138320^2 .

It is a super-2 number, since 2×31004268164² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31004268161) 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, 10977437 + ... + 10980260.

It is an arithmetic number, because the mean of its divisors is an integer number (4534264637).

Almost surely, 2^31004268164 is an apocalyptic number.

It is an amenable number.

31004268164 is a deficient number, since it is larger than the sum of its proper divisors (23406907480).

31004268164 is a wasteful number, since it uses less digits than its factorization.

31004268164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21958054 (or 21958052 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 31004268164 in words is "thirty-one billion, four million, two hundred sixty-eight thousand, one hundred sixty-four".