3131112231120 has 120 divisors (see below), whose sum is σ = 10052695220256. Its totient is φ = 806171373056.

The previous prime is 3131112231113. The next prime is 3131112231161. The reversal of 3131112231120 is 211322111313.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7554582 + ... + 7958261.

Almost surely, 2^{3131112231120} is an apocalyptic number.

3131112231120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3131112231120 is an abundant number, since it is smaller than the sum of its proper divisors (6921582989136).

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

3131112231120 is a wasteful number, since it uses less digits than its factorization.

3131112231120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15512917 (or 15512882 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 3131112231120 its reverse (211322111313), we get a palindrome (3342434342433).

The spelling of 3131112231120 in words is "three trillion, one hundred thirty-one billion, one hundred twelve million, two hundred thirty-one thousand, one hundred twenty".