31120023010332 has 24 divisors (see below), whose sum is σ = 74158352706816. Its totient is φ = 10152631620208.

The previous prime is 31120023010313. The next prime is 31120023010339. The reversal of 31120023010332 is 23301032002113.

It is a junction number, because it is equal to n+sod(n) for n = 31120023010299 and 31120023010308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31120023010339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27588672318 + ... + 27588673445.

It is an arithmetic number, because the mean of its divisors is an integer number (3089931362784).

Almost surely, 2^{31120023010332} is an apocalyptic number.

It is an amenable number.

31120023010332 is an abundant number, since it is smaller than the sum of its proper divisors (43038329696484).

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

31120023010332 is a wasteful number, since it uses less digits than its factorization.

31120023010332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55177345817 (or 55177345815 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 31120023010332 its reverse (23301032002113), we get a palindrome (54421055012445).

The spelling of 31120023010332 in words is "thirty-one trillion, one hundred twenty billion, twenty-three million, ten thousand, three hundred thirty-two".