312543464345213 has 16 divisors (see below), whose sum is σ = 328821109300992. Its totient is φ = 296730278208000.

The previous prime is 312543464345201. The next prime is 312543464345219.

312543464345213 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 312543464345213 - 2¹⁸ = 312543464083069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312543464345219) 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, 326605868 + ... + 327561413.

It is an arithmetic number, because the mean of its divisors is an integer number (20551319331312).

Almost surely, 2^{312543464345213} is an apocalyptic number.

It is an amenable number.

312543464345213 is a deficient number, since it is larger than the sum of its proper divisors (16277644955779).

312543464345213 is a wasteful number, since it uses less digits than its factorization.

312543464345213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654167636.

The product of its digits is 12441600, while the sum is 50.

The spelling of 312543464345213 in words is "three hundred twelve trillion, five hundred forty-three billion, four hundred sixty-four million, three hundred forty-five thousand, two hundred thirteen".