31322313121024 has 36 divisors (see below), whose sum is σ = 62525156133636. Its totient is φ = 15660434481152.

The previous prime is 31322313121013. The next prime is 31322313121061. The reversal of 31322313121024 is 42012131322313.

It can be written as a sum of positive squares in 2 ways, for example, as 8324840678400 + 22997472442624 = 2885280^2 + 4795568^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31322313120983 and 31322313121001.

It is a congruent number.

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, 2764152 + ... + 8383624.

It is an arithmetic number, because the mean of its divisors is an integer number (1736809892601).

Almost surely, 2^{31322313121024} is an apocalyptic number.

It is an amenable number.

31322313121024 is a deficient number, since it is larger than the sum of its proper divisors (31202843012612).

31322313121024 is an equidigital number, since it uses as much as digits as its factorization.

31322313121024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5641262 (or 5641248 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 31322313121024 its reverse (42012131322313), we get a palindrome (73334444443337).

The spelling of 31322313121024 in words is "thirty-one trillion, three hundred twenty-two billion, three hundred thirteen million, one hundred twenty-one thousand, twenty-four".