31550053604 has 6 divisors (see below), whose sum is σ = 55212593814. Its totient is φ = 15775026800.

The previous prime is 31550053571. The next prime is 31550053627. The reversal of 31550053604 is 40635005513.

It can be written as a sum of positive squares in only one way, i.e., 29207493604 + 2342560000 = 170902^2 + 48400^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3943756697 + ... + 3943756704.

It is an arithmetic number, because the mean of its divisors is an integer number (9202098969).

Almost surely, 2^31550053604 is an apocalyptic number.

It is an amenable number.

31550053604 is a deficient number, since it is larger than the sum of its proper divisors (23662540210).

31550053604 is a wasteful number, since it uses less digits than its factorization.

31550053604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7887513405 (or 7887513403 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 32.

The spelling of 31550053604 in words is "thirty-one billion, five hundred fifty million, fifty-three thousand, six hundred four".