31204322804 has 24 divisors (see below), whose sum is σ = 55947648456. Its totient is φ = 15219392000.

The previous prime is 31204322693. The next prime is 31204322813. The reversal of 31204322804 is 40822340213.

It can be written as a sum of positive squares in 4 ways, for example, as 12254047204 + 18950275600 = 110698^2 + 137660^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1956944 + ... + 1972824.

It is an arithmetic number, because the mean of its divisors is an integer number (2331152019).

Almost surely, 2^31204322804 is an apocalyptic number.

It is an amenable number.

31204322804 is a deficient number, since it is larger than the sum of its proper divisors (24743325652).

31204322804 is a wasteful number, since it uses less digits than its factorization.

31204322804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27907 (or 27905 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The spelling of 31204322804 in words is "thirty-one billion, two hundred four million, three hundred twenty-two thousand, eight hundred four".