31550203126316 has 48 divisors (see below), whose sum is σ = 66813273963072. Its totient is φ = 12725926809600.

The previous prime is 31550203126303. The next prime is 31550203126363. The reversal of 31550203126316 is 61362130205513.

It is a self number, because there is not a number n which added to its sum of digits gives 31550203126316.

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, 30904676 + ... + 31909236.

It is an arithmetic number, because the mean of its divisors is an integer number (1391943207564).

Almost surely, 2^{31550203126316} is an apocalyptic number.

It is an amenable number.

31550203126316 is an abundant number, since it is smaller than the sum of its proper divisors (35263070836756).

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

31550203126316 is a wasteful number, since it uses less digits than its factorization.

31550203126316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070570 (or 1070568 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 38.

The spelling of 31550203126316 in words is "thirty-one trillion, five hundred fifty billion, two hundred three million, one hundred twenty-six thousand, three hundred sixteen".