31240330404 has 48 divisors (see below), whose sum is σ = 77988550080. Its totient is φ = 9703635840.

The previous prime is 31240330397. The next prime is 31240330411. The reversal of 31240330404 is 40403304213.

It is an interprime number because it is at equal distance from previous prime (31240330397) and next prime (31240330411).

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, 1109199 + ... + 1137014.

It is an arithmetic number, because the mean of its divisors is an integer number (1624761460).

Almost surely, 2^31240330404 is an apocalyptic number.

It is an amenable number.

31240330404 is an abundant number, since it is smaller than the sum of its proper divisors (46748219676).

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

31240330404 is a wasteful number, since it uses less digits than its factorization.

31240330404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2246300 (or 2246298 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 31240330404 its reverse (40403304213), we get a palindrome (71643634617).

The spelling of 31240330404 in words is "thirty-one billion, two hundred forty million, three hundred thirty thousand, four hundred four".