31322311132132 has 12 divisors (see below), whose sum is σ = 55098055075756. Its totient is φ = 15580009681920.

The previous prime is 31322311132103. The next prime is 31322311132163. The reversal of 31322311132132 is 23123111322313.

It can be written as a sum of positive squares in 2 ways, for example, as 21101399827876 + 10220911304256 = 4593626^2 + 3197016^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31322311132132.

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, 20286470169 + ... + 20286471712.

Almost surely, 2^{31322311132132} is an apocalyptic number.

It is an amenable number.

31322311132132 is a deficient number, since it is larger than the sum of its proper divisors (23775743943624).

31322311132132 is a wasteful number, since it uses less digits than its factorization.

31322311132132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40572942078 (or 40572942076 counting only the distinct ones).

The product of its digits is 3888, while the sum is 28.

Adding to 31322311132132 its reverse (23123111322313), we get a palindrome (54445422454445).

The spelling of 31322311132132 in words is "thirty-one trillion, three hundred twenty-two billion, three hundred eleven million, one hundred thirty-two thousand, one hundred thirty-two".