31320001300 has 54 divisors (see below), whose sum is σ = 79060644222. Its totient is φ = 10738284480.

The previous prime is 31320001253. The next prime is 31320001319. The reversal of 31320001300 is 310002313.

It can be written as a sum of positive squares in 3 ways, for example, as 2447874576 + 28872126724 = 49476^2 + 169918^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3191019 + ... + 3200818.

Almost surely, 2^31320001300 is an apocalyptic number.

It is an amenable number.

31320001300 is an abundant number, since it is smaller than the sum of its proper divisors (47740642922).

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

31320001300 is a wasteful number, since it uses less digits than its factorization.

31320001300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6391865 (or 6391851 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 31320001300 its reverse (310002313), we get a palindrome (31630003613).

The spelling of 31320001300 in words is "thirty-one billion, three hundred twenty million, one thousand, three hundred".