312131111213042 has 64 divisors (see below), whose sum is σ = 521228673128448. Its totient is φ = 138996032400000.

The previous prime is 312131111213027. The next prime is 312131111213099. The reversal of 312131111213042 is 240312111131213.

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, 3372484667 + ... + 3372577217.

It is an arithmetic number, because the mean of its divisors is an integer number (8144198017632).

Almost surely, 2^{312131111213042} is an apocalyptic number.

312131111213042 is a deficient number, since it is larger than the sum of its proper divisors (209097561915406).

312131111213042 is a wasteful number, since it uses less digits than its factorization.

312131111213042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106695.

The product of its (nonzero) digits is 864, while the sum is 26.

Adding to 312131111213042 its reverse (240312111131213), we get a palindrome (552443222344255).

The spelling of 312131111213042 in words is "three hundred twelve trillion, one hundred thirty-one billion, one hundred eleven million, two hundred thirteen thousand, forty-two".