3131213033112 has 64 divisors (see below), whose sum is σ = 8003364710400. Its totient is φ = 1020408829440.

The previous prime is 3131213033071. The next prime is 3131213033131. The reversal of 3131213033112 is 2113303121313.

3131213033112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 495937 + ... + 2551152.

It is an arithmetic number, because the mean of its divisors is an integer number (125052573600).

Almost surely, 2^{3131213033112} is an apocalyptic number.

It is an amenable number.

3131213033112 is an abundant number, since it is smaller than the sum of its proper divisors (4872151677288).

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

3131213033112 is a wasteful number, since it uses less digits than its factorization.

3131213033112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3048056 (or 3048052 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 3131213033112 its reverse (2113303121313), we get a palindrome (5244516154425).

The spelling of 3131213033112 in words is "three trillion, one hundred thirty-one billion, two hundred thirteen million, thirty-three thousand, one hundred twelve".