31300113332 has 12 divisors (see below), whose sum is σ = 55673152836. Its totient is φ = 15393498240.

The previous prime is 31300113331. The next prime is 31300113367. The reversal of 31300113332 is 23331100313.

It can be written as a sum of positive squares in 2 ways, for example, as 14367857956 + 16932255376 = 119866^2 + 130124^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31300113331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64139333 + ... + 64139820.

It is an arithmetic number, because the mean of its divisors is an integer number (4639429403).

Almost surely, 2^31300113332 is an apocalyptic number.

It is an amenable number.

31300113332 is a deficient number, since it is larger than the sum of its proper divisors (24373039504).

31300113332 is a wasteful number, since it uses less digits than its factorization.

31300113332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128279218 (or 128279216 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 31300113332 its reverse (23331100313), we get a palindrome (54631213645).

The spelling of 31300113332 in words is "thirty-one billion, three hundred million, one hundred thirteen thousand, three hundred thirty-two".