31204242413224 has 32 divisors (see below), whose sum is σ = 58558757181120. Its totient is φ = 15588575132416.

The previous prime is 31204242413191. The next prime is 31204242413251. The reversal of 31204242413224 is 42231424240213.

It is a self number, because there is not a number n which added to its sum of digits gives 31204242413224.

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, 225520527 + ... + 225658849.

It is an arithmetic number, because the mean of its divisors is an integer number (1829961161910).

Almost surely, 2^{31204242413224} is an apocalyptic number.

It is an amenable number.

31204242413224 is a deficient number, since it is larger than the sum of its proper divisors (27354514767896).

31204242413224 is a wasteful number, since it uses less digits than its factorization.

31204242413224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162609 (or 162605 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 31204242413224 its reverse (42231424240213), we get a palindrome (73435666653437).

The spelling of 31204242413224 in words is "thirty-one trillion, two hundred four billion, two hundred forty-two million, four hundred thirteen thousand, two hundred twenty-four".