31313002213010 has 48 divisors (see below), whose sum is σ = 65748226720320. Its totient is φ = 10705981436640.

The previous prime is 31313002212923. The next prime is 31313002213043. The reversal of 31313002213010 is 1031220031313.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88826996 + ... + 89178815.

It is an arithmetic number, because the mean of its divisors is an integer number (1369754723340).

Almost surely, 2^{31313002213010} is an apocalyptic number.

31313002213010 is an abundant number, since it is smaller than the sum of its proper divisors (34435224507310).

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

31313002213010 is a wasteful number, since it uses less digits than its factorization.

31313002213010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178006191 (or 178006184 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 31313002213010 its reverse (1031220031313), we get a palindrome (32344222244323).

The spelling of 31313002213010 in words is "thirty-one trillion, three hundred thirteen billion, two million, two hundred thirteen thousand, ten".