31120023100132 has 12 divisors (see below), whose sum is σ = 54461088641596. Its totient is φ = 15559712059680.

The previous prime is 31120023100097. The next prime is 31120023100147. The reversal of 31120023100132 is 23100132002113.

It can be written as a sum of positive squares in 2 ways, for example, as 20125864826596 + 10994158273536 = 4486186^2 + 3315744^2 .

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 3 ways as a sum of consecutive naturals, for example, 74638719 + ... + 75054502.

Almost surely, 2^{31120023100132} is an apocalyptic number.

It is an amenable number.

31120023100132 is a deficient number, since it is larger than the sum of its proper divisors (23341065541464).

31120023100132 is a wasteful number, since it uses less digits than its factorization.

31120023100132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149745198 (or 149745196 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31120023100132 its reverse (23100132002113), we get a palindrome (54220155102245).

The spelling of 31120023100132 in words is "thirty-one trillion, one hundred twenty billion, twenty-three million, one hundred thousand, one hundred thirty-two".