31206216340204 has 12 divisors (see below), whose sum is σ = 54751266460800. Its totient is φ = 15562997351408.

The previous prime is 31206216340171. The next prime is 31206216340219. The reversal of 31206216340204 is 40204361260213.

It is a self number, because there is not a number n which added to its sum of digits gives 31206216340204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10027702924 + ... + 10027706035.

It is an arithmetic number, because the mean of its divisors is an integer number (4562605538400).

Almost surely, 2^{31206216340204} is an apocalyptic number.

It is an amenable number.

31206216340204 is a deficient number, since it is larger than the sum of its proper divisors (23545050120596).

31206216340204 is a wasteful number, since it uses less digits than its factorization.

31206216340204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20055409352 (or 20055409350 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 31206216340204 in words is "thirty-one trillion, two hundred six billion, two hundred sixteen million, three hundred forty thousand, two hundred four".