31030033000120 has 96 divisors (see below), whose sum is σ = 87704721468000. Its totient is φ = 9671698586880.

The previous prime is 31030033000079. The next prime is 31030033000123. The reversal of 31030033000120 is 2100033003013.

It is a junction number, because it is equal to n+sod(n) for n = 31030033000094 and 31030033000103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31030033000123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 457906395 + ... + 457974154.

It is an arithmetic number, because the mean of its divisors is an integer number (913590848625).

Almost surely, 2^{31030033000120} is an apocalyptic number.

It is an amenable number.

31030033000120 is an abundant number, since it is smaller than the sum of its proper divisors (56674688467880).

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

31030033000120 is a wasteful number, since it uses less digits than its factorization.

31030033000120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915880589 (or 915880574 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 31030033000120 its reverse (2100033003013), we get a palindrome (33130066003133).

The spelling of 31030033000120 in words is "thirty-one trillion, thirty billion, thirty-three million, one hundred twenty", and thus it is an aban number.