312131324324342 has 16 divisors (see below), whose sum is σ = 507829156076592. Its totient is φ = 143302760090880.

The previous prime is 312131324324327. The next prime is 312131324324387. The reversal of 312131324324342 is 243423423131213.

It is a junction number, because it is equal to n+sod(n) for n = 312131324324296 and 312131324324305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111955279928 + ... + 111955282715.

It is an arithmetic number, because the mean of its divisors is an integer number (31739322254787).

Almost surely, 2^{312131324324342} is an apocalyptic number.

312131324324342 is a deficient number, since it is larger than the sum of its proper divisors (195697831752250).

312131324324342 is a wasteful number, since it uses less digits than its factorization.

312131324324342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223910562703.

The product of its digits is 248832, while the sum is 38.

Adding to 312131324324342 its reverse (243423423131213), we get a palindrome (555554747455555).

The spelling of 312131324324342 in words is "three hundred twelve trillion, one hundred thirty-one billion, three hundred twenty-four million, three hundred twenty-four thousand, three hundred forty-two".