31040322204 has 48 divisors (see below), whose sum is σ = 73719354240. Its totient is φ = 10162518720.

The previous prime is 31040322193. The next prime is 31040322217. The reversal of 31040322204 is 40222304013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 817587 + ... + 854709.

It is an arithmetic number, because the mean of its divisors is an integer number (1535819880).

Almost surely, 2^31040322204 is an apocalyptic number.

It is an amenable number.

31040322204 is an abundant number, since it is smaller than the sum of its proper divisors (42679032036).

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

31040322204 is a wasteful number, since it uses less digits than its factorization.

31040322204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38370 (or 38368 counting only the distinct ones).

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

Adding to 31040322204 its reverse (40222304013), we get a palindrome (71262626217).

The spelling of 31040322204 in words is "thirty-one billion, forty million, three hundred twenty-two thousand, two hundred four".