31344300320 has 24 divisors (see below), whose sum is σ = 74050909884. Its totient is φ = 12537720064.

The previous prime is 31344300319. The next prime is 31344300373. The reversal of 31344300320 is 2300344313.

It can be written as a sum of positive squares in 2 ways, for example, as 30469797136 + 874503184 = 174556^2 + 29572^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97950779 + ... + 97951098.

Almost surely, 2^31344300320 is an apocalyptic number.

It is an amenable number.

31344300320 is an abundant number, since it is smaller than the sum of its proper divisors (42706609564).

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

31344300320 is a wasteful number, since it uses less digits than its factorization.

31344300320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195901892 (or 195901884 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 31344300320 its reverse (2300344313), we get a palindrome (33644644633).

The spelling of 31344300320 in words is "thirty-one billion, three hundred forty-four million, three hundred thousand, three hundred twenty".