312311101202312 has 32 divisors (see below), whose sum is σ = 587865395145600. Its totient is φ = 155547003162624.

The previous prime is 312311101202263. The next prime is 312311101202381. The reversal of 312311101202312 is 213202101113213.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 446458373 + ... + 447157355.

It is an arithmetic number, because the mean of its divisors is an integer number (18370793598300).

Almost surely, 2^{312311101202312} is an apocalyptic number.

It is an amenable number.

312311101202312 is a deficient number, since it is larger than the sum of its proper divisors (275554293943288).

312311101202312 is a wasteful number, since it uses less digits than its factorization.

312311101202312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916565 (or 916561 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 312311101202312 its reverse (213202101113213), we get a palindrome (525513202315525).

The spelling of 312311101202312 in words is "three hundred twelve trillion, three hundred eleven billion, one hundred one million, two hundred two thousand, three hundred twelve".