31320313103332 has 12 divisors (see below), whose sum is σ = 59793325015536. Its totient is φ = 14236505956040.

The previous prime is 31320313103293. The next prime is 31320313103363. The reversal of 31320313103332 is 23330131302313.

It is a self number, because there is not a number n which added to its sum of digits gives 31320313103332.

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, 355912648858 + ... + 355912648945.

It is an arithmetic number, because the mean of its divisors is an integer number (4982777084628).

Almost surely, 2^{31320313103332} is an apocalyptic number.

It is an amenable number.

31320313103332 is a deficient number, since it is larger than the sum of its proper divisors (28473011912204).

31320313103332 is a wasteful number, since it uses less digits than its factorization.

31320313103332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711825297818 (or 711825297816 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 28.

Adding to 31320313103332 its reverse (23330131302313), we get a palindrome (54650444405645).

The spelling of 31320313103332 in words is "thirty-one trillion, three hundred twenty billion, three hundred thirteen million, one hundred three thousand, three hundred thirty-two".