31030102011120 has 160 divisors (see below), whose sum is σ = 96287010903552. Its totient is φ = 8266636901376.

The previous prime is 31030102011107. The next prime is 31030102011133. The reversal of 31030102011120 is 2111020103013.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (31030102011107) and next prime (31030102011133).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 31030102011120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2460161934 + ... + 2460174546.

Almost surely, 2^{31030102011120} is an apocalyptic number.

31030102011120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31030102011120 is an abundant number, since it is smaller than the sum of its proper divisors (65256908892432).

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

31030102011120 is a wasteful number, since it uses less digits than its factorization.

31030102011120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21799 (or 21793 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 31030102011120 its reverse (2111020103013), we get a palindrome (33141122114133).

The spelling of 31030102011120 in words is "thirty-one trillion, thirty billion, one hundred two million, eleven thousand, one hundred twenty".