31314002210020 has 12 divisors (see below), whose sum is σ = 65759404641084. Its totient is φ = 12525600884000.

The previous prime is 31314002210009. The next prime is 31314002210039. The reversal of 31314002210020 is 2001220041313.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16127019095716 + 15186983114304 = 4015846^2 + 3897048^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31314002210020.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 782850055231 + ... + 782850055270.

It is an arithmetic number, because the mean of its divisors is an integer number (5479950386757).

Almost surely, 2^{31314002210020} is an apocalyptic number.

It is an amenable number.

31314002210020 is an abundant number, since it is smaller than the sum of its proper divisors (34445402431064).

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

31314002210020 is a wasteful number, since it uses less digits than its factorization.

31314002210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565700110510 (or 1565700110508 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 31314002210020 its reverse (2001220041313), we get a palindrome (33315222251333).

The spelling of 31314002210020 in words is "thirty-one trillion, three hundred fourteen billion, two million, two hundred ten thousand, twenty".