31322312804 has 6 divisors (see below), whose sum is σ = 54814047414. Its totient is φ = 15661156400.

The previous prime is 31322312803. The next prime is 31322312887. The reversal of 31322312804 is 40821322313.

It can be written as a sum of positive squares in only one way, i.e., 29832198400 + 1490114404 = 172720^2 + 38602^2 .

It is not an unprimeable number, because it can be changed into a prime (31322312803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3915289097 + ... + 3915289104.

It is an arithmetic number, because the mean of its divisors is an integer number (9135674569).

Almost surely, 2^31322312804 is an apocalyptic number.

It is an amenable number.

31322312804 is a deficient number, since it is larger than the sum of its proper divisors (23491734610).

31322312804 is a wasteful number, since it uses less digits than its factorization.

31322312804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7830578205 (or 7830578203 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 31322312804 in words is "thirty-one billion, three hundred twenty-two million, three hundred twelve thousand, eight hundred four".