31300053320 has 64 divisors (see below), whose sum is σ = 70713442800. Its totient is φ = 12468879360.

The previous prime is 31300053311. The next prime is 31300053347. The reversal of 31300053320 is 2335000313.

It can be written as a sum of positive squares in 8 ways, for example, as 10349806756 + 20950246564 = 101734^2 + 144742^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 31300053292 and 31300053301.

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, 12948752 + ... + 12951168.

Almost surely, 2^31300053320 is an apocalyptic number.

It is an amenable number.

31300053320 is an abundant number, since it is smaller than the sum of its proper divisors (39413389480).

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

31300053320 is a wasteful number, since it uses less digits than its factorization.

31300053320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3618 (or 3614 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 20.

Adding to 31300053320 its reverse (2335000313), we get a palindrome (33635053633).

The spelling of 31300053320 in words is "thirty-one billion, three hundred million, fifty-three thousand, three hundred twenty".