131231011000112 has 40 divisors (see below), whose sum is σ = 254749126753440. Its totient is φ = 65489353251840.

The previous prime is 131231011000099. The next prime is 131231011000139. The reversal of 131231011000112 is 211000110132131.

It is a super-2 number, since 2×131231011000112² (a number of 29 digits) contains 22 as substring.

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, 38509214 + ... + 41778242.

It is an arithmetic number, because the mean of its divisors is an integer number (6368728168836).

Almost surely, 2^{131231011000112} is an apocalyptic number.

It is an amenable number.

131231011000112 is a deficient number, since it is larger than the sum of its proper divisors (123518115753328).

131231011000112 is a wasteful number, since it uses less digits than its factorization.

131231011000112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3273861 (or 3273855 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 131231011000112 its reverse (211000110132131), we get a palindrome (342231121132243).

The spelling of 131231011000112 in words is "one hundred thirty-one trillion, two hundred thirty-one billion, eleven million, one hundred twelve", and thus it is an aban number.