312154444451213 has 32 divisors (see below), whose sum is σ = 407422146652416. Its totient is φ = 232089633082368.

The previous prime is 312154444451203. The next prime is 312154444451321.

312154444451213 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 312154444451213 - 2³⁴ = 312137264582029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312154444451203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 155910806 + ... + 157900247.

It is an arithmetic number, because the mean of its divisors is an integer number (12731942082888).

Almost surely, 2^{312154444451213} is an apocalyptic number.

It is an amenable number.

312154444451213 is a deficient number, since it is larger than the sum of its proper divisors (95267702201203).

312154444451213 is a wasteful number, since it uses less digits than its factorization.

312154444451213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313811733.

The product of its digits is 921600, while the sum is 44.

The spelling of 312154444451213 in words is "three hundred twelve trillion, one hundred fifty-four billion, four hundred forty-four million, four hundred fifty-one thousand, two hundred thirteen".