312311323113213 has 16 divisors (see below), whose sum is σ = 420257117532096. Its totient is φ = 206287915303680.

The previous prime is 312311323113203. The next prime is 312311323113217.

312311323113213 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 312311323113213 - 2²² = 312311318918909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312311323113217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171164283 + ... + 172979288.

It is an arithmetic number, because the mean of its divisors is an integer number (26266069845756).

Almost surely, 2^{312311323113213} is an apocalyptic number.

It is an amenable number.

312311323113213 is a deficient number, since it is larger than the sum of its proper divisors (107945794418883).

312311323113213 is a wasteful number, since it uses less digits than its factorization.

312311323113213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344146364.

The product of its digits is 5832, while the sum is 30.

The spelling of 312311323113213 in words is "three hundred twelve trillion, three hundred eleven billion, three hundred twenty-three million, one hundred thirteen thousand, two hundred thirteen".