312043020340213 has 2 divisors, whose sum is σ = 312043020340214. Its totient is φ = 312043020340212.

The previous prime is 312043020340187. The next prime is 312043020340253.

It is a happy number.

312043020340213 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 259267415779089 + 52775604561124 = 16101783^2 + 7264682^2 .

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312043020340213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312043020340253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156021510170106 + 156021510170107.

It is an arithmetic number, because the mean of its divisors is an integer number (156021510170107).

Almost surely, 2^{312043020340213} is an apocalyptic number.

It is an amenable number.

312043020340213 is a deficient number, since it is larger than the sum of its proper divisors (1).

312043020340213 is an equidigital number, since it uses as much as digits as its factorization.

312043020340213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 28.

The spelling of 312043020340213 in words is "three hundred twelve trillion, forty-three billion, twenty million, three hundred forty thousand, two hundred thirteen".