31214443131212 has 96 divisors (see below), whose sum is σ = 60620475396096. Its totient is φ = 13945429555200.

The previous prime is 31214443131197. The next prime is 31214443131301. The reversal of 31214443131212 is 21213134441213.

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, 1414519403 + ... + 1414541469.

It is an arithmetic number, because the mean of its divisors is an integer number (631463285376).

Almost surely, 2^{31214443131212} is an apocalyptic number.

It is an amenable number.

31214443131212 is a deficient number, since it is larger than the sum of its proper divisors (29406032264884).

31214443131212 is a wasteful number, since it uses less digits than its factorization.

31214443131212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24447 (or 24445 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

Adding to 31214443131212 its reverse (21213134441213), we get a palindrome (52427577572425).

The spelling of 31214443131212 in words is "thirty-one trillion, two hundred fourteen billion, four hundred forty-three million, one hundred thirty-one thousand, two hundred twelve".