31322132110120 has 16 divisors (see below), whose sum is σ = 70474797247860. Its totient is φ = 12528852844032.

The previous prime is 31322132110099. The next prime is 31322132110141. The reversal of 31322132110120 is 2101123122313.

It is an interprime number because it is at equal distance from previous prime (31322132110099) and next prime (31322132110141).

It can be written as a sum of positive squares in 2 ways, for example, as 28897440901956 + 2424691208164 = 5375634^2 + 1557142^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31322132110091 and 31322132110100.

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, 391526651337 + ... + 391526651416.

Almost surely, 2^{31322132110120} is an apocalyptic number.

It is an amenable number.

31322132110120 is an abundant number, since it is smaller than the sum of its proper divisors (39152665137740).

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

31322132110120 is a wasteful number, since it uses less digits than its factorization.

31322132110120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783053302764 (or 783053302760 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 31322132110120 its reverse (2101123122313), we get a palindrome (33423255232433).

The spelling of 31322132110120 in words is "thirty-one trillion, three hundred twenty-two billion, one hundred thirty-two million, one hundred ten thousand, one hundred twenty".