31031323101120 has 56 divisors (see below), whose sum is σ = 98524450849104. Its totient is φ = 8275019493376.

The previous prime is 31031323101089. The next prime is 31031323101157. The reversal of 31031323101120 is 2110132313013.

It is a happy number.

31031323101120 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×31031323101120² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16162146489 + ... + 16162148408.

It is an arithmetic number, because the mean of its divisors is an integer number (1759365193734).

Almost surely, 2^{31031323101120} is an apocalyptic number.

31031323101120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31031323101120 is an abundant number, since it is smaller than the sum of its proper divisors (67493127747984).

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

31031323101120 is a wasteful number, since it uses less digits than its factorization.

31031323101120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32324294917 (or 32324294907 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 31031323101120 its reverse (2110132313013), we get a palindrome (33141455414133).

The spelling of 31031323101120 in words is "thirty-one trillion, thirty-one billion, three hundred twenty-three million, one hundred one thousand, one hundred twenty".