31304222004 has 48 divisors (see below), whose sum is σ = 79723929600. Its totient is φ = 9481311840.

The previous prime is 31304221943. The next prime is 31304222011. The reversal of 31304222004 is 40022240313.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205197 + ... + 323595.

It is an arithmetic number, because the mean of its divisors is an integer number (1660915200).

Almost surely, 2^31304222004 is an apocalyptic number.

It is an amenable number.

31304222004 is an abundant number, since it is smaller than the sum of its proper divisors (48419707596).

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

31304222004 is a wasteful number, since it uses less digits than its factorization.

31304222004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120420 (or 120418 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 31304222004 its reverse (40022240313), we get a palindrome (71326462317).

The spelling of 31304222004 in words is "thirty-one billion, three hundred four million, two hundred twenty-two thousand, four".