312131214011442 has 32 divisors (see below), whose sum is σ = 732725012045952. Its totient is φ = 86770067215104.

The previous prime is 312131214011413. The next prime is 312131214011447. The reversal of 312131214011442 is 244110412131213.

It is not an unprimeable number, because it can be changed into a prime (312131214011447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100428316983 + ... + 100428320090.

It is an arithmetic number, because the mean of its divisors is an integer number (22897656626436).

Almost surely, 2^{312131214011442} is an apocalyptic number.

312131214011442 is an abundant number, since it is smaller than the sum of its proper divisors (420593798034510).

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

312131214011442 is a wasteful number, since it uses less digits than its factorization.

312131214011442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200856637122.

The product of its (nonzero) digits is 4608, while the sum is 30.

Adding to 312131214011442 its reverse (244110412131213), we get a palindrome (556241626142655).

The spelling of 312131214011442 in words is "three hundred twelve trillion, one hundred thirty-one billion, two hundred fourteen million, eleven thousand, four hundred forty-two".