31836048780408 has 32 divisors (see below), whose sum is σ = 80549039088000. Its totient is φ = 10484160641888.

The previous prime is 31836048780343. The next prime is 31836048780443. The reversal of 31836048780408 is 80408784063813.

It is a happy number.

It is a congruent number.

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, 7990974108 + ... + 7990978091.

It is an arithmetic number, because the mean of its divisors is an integer number (2517157471500).

Almost surely, 2^{31836048780408} is an apocalyptic number.

It is an amenable number.

31836048780408 is an abundant number, since it is smaller than the sum of its proper divisors (48712990307592).

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

31836048780408 is a wasteful number, since it uses less digits than its factorization.

31836048780408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15981952291 (or 15981952287 counting only the distinct ones).

The product of its (nonzero) digits is 24772608, while the sum is 60.

The spelling of 31836048780408 in words is "thirty-one trillion, eight hundred thirty-six billion, forty-eight million, seven hundred eighty thousand, four hundred eight".