31020011120120 has 32 divisors (see below), whose sum is σ = 76140027295920. Its totient is φ = 11280004043520.

The previous prime is 31020011120101. The next prime is 31020011120233. The reversal of 31020011120120 is 2102111002013.

31020011120120 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 31020011120095 and 31020011120104.

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, 35250012197 + ... + 35250013076.

Almost surely, 2^{31020011120120} is an apocalyptic number.

It is an amenable number.

31020011120120 is an abundant number, since it is smaller than the sum of its proper divisors (45120016175800).

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

31020011120120 is a wasteful number, since it uses less digits than its factorization.

31020011120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70500025295 (or 70500025291 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 31020011120120 its reverse (2102111002013), we get a palindrome (33122122122133).

The spelling of 31020011120120 in words is "thirty-one trillion, twenty billion, eleven million, one hundred twenty thousand, one hundred twenty".