312299413 has 2 divisors, whose sum is σ = 312299414. Its totient is φ = 312299412.

The previous prime is 312299387. The next prime is 312299417. The reversal of 312299413 is 314992213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 174424849 + 137874564 = 13207^2 + 11742^2 .

It is an emirp because it is prime and its reverse (314992213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 312299413 - 2⁹ = 312298901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312299417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156149706 + 156149707.

It is an arithmetic number, because the mean of its divisors is an integer number (156149707).

Almost surely, 2^312299413 is an apocalyptic number.

It is an amenable number.

312299413 is a deficient number, since it is larger than the sum of its proper divisors (1).

312299413 is an equidigital number, since it uses as much as digits as its factorization.

312299413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 34.

The square root of 312299413 is about 17671.9951618373. The cubic root of 312299413 is about 678.4591792357.

The spelling of 312299413 in words is "three hundred twelve million, two hundred ninety-nine thousand, four hundred thirteen".