3131000212112 has 40 divisors (see below), whose sum is σ = 6541338723360. Its totient is φ = 1446932056320.

The previous prime is 3131000212073. The next prime is 3131000212187. The reversal of 3131000212112 is 2112120001313.

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, 125589278 + ... + 125614205.

It is an arithmetic number, because the mean of its divisors is an integer number (163533468084).

Almost surely, 2^{3131000212112} is an apocalyptic number.

It is an amenable number.

3131000212112 is an abundant number, since it is smaller than the sum of its proper divisors (3410338511248).

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

3131000212112 is a wasteful number, since it uses less digits than its factorization.

3131000212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251203551 (or 251203545 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 3131000212112 its reverse (2112120001313), we get a palindrome (5243120213425).

The spelling of 3131000212112 in words is "three trillion, one hundred thirty-one billion, two hundred twelve thousand, one hundred twelve".