31320313103202 has 16 divisors (see below), whose sum is σ = 63822524814720. Its totient is φ = 10243121266352.

The previous prime is 31320313103141. The next prime is 31320313103213. The reversal of 31320313103202 is 20230131302313.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49245775002 + ... + 49245775637.

It is an arithmetic number, because the mean of its divisors is an integer number (3988907800920).

Almost surely, 2^{31320313103202} is an apocalyptic number.

31320313103202 is an abundant number, since it is smaller than the sum of its proper divisors (32502211711518).

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

31320313103202 is a wasteful number, since it uses less digits than its factorization.

31320313103202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98491550697.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 31320313103202 its reverse (20230131302313), we get a palindrome (51550444405515).

The spelling of 31320313103202 in words is "thirty-one trillion, three hundred twenty billion, three hundred thirteen million, one hundred three thousand, two hundred two".