31013313000200 has 24 divisors (see below), whose sum is σ = 72105952725930. Its totient is φ = 12405325200000.

The previous prime is 31013313000181. The next prime is 31013313000209. The reversal of 31013313000200 is 200031331013.

It can be written as a sum of positive squares in 3 ways, for example, as 29964478936324 + 1048834063876 = 5473982^2 + 1024126^2 .

It is not an unprimeable number, because it can be changed into a prime (31013313000209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77533282301 + ... + 77533282700.

Almost surely, 2^{31013313000200} is an apocalyptic number.

It is an amenable number.

31013313000200 is an abundant number, since it is smaller than the sum of its proper divisors (41092639725730).

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

31013313000200 is a wasteful number, since it uses less digits than its factorization.

31013313000200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155066565017 (or 155066565008 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 31013313000200 its reverse (200031331013), we get a palindrome (31213344331213).

The spelling of 31013313000200 in words is "thirty-one trillion, thirteen billion, three hundred thirteen million, two hundred", and thus it is an aban number.