31322000230120 has 64 divisors (see below), whose sum is σ = 72450953816400. Its totient is φ = 12178101841920.

The previous prime is 31322000230097. The next prime is 31322000230159. The reversal of 31322000230120 is 2103200022313.

It can be written as a sum of positive squares in 8 ways, for example, as 10372869841636 + 20949130388484 = 3220694^2 + 4577022^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8994051 + ... + 11980690.

Almost surely, 2^{31322000230120} is an apocalyptic number.

It is an amenable number.

31322000230120 is an abundant number, since it is smaller than the sum of its proper divisors (41128953586280).

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

31322000230120 is a wasteful number, since it uses less digits than its factorization.

31322000230120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20975798 (or 20975794 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 31322000230120 its reverse (2103200022313), we get a palindrome (33425200252433).

The spelling of 31322000230120 in words is "thirty-one trillion, three hundred twenty-two billion, two hundred thirty thousand, one hundred twenty".