312841013 has 2 divisors, whose sum is σ = 312841014. Its totient is φ = 312841012.

The previous prime is 312841003. The next prime is 312841019. The reversal of 312841013 is 310148213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 166358404 + 146482609 = 12898^2 + 12103^2 .

It is an emirp because it is prime and its reverse (310148213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 312841013 - 2¹⁸ = 312578869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 312841013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312841019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156420506 + 156420507.

It is an arithmetic number, because the mean of its divisors is an integer number (156420507).

Almost surely, 2^312841013 is an apocalyptic number.

It is an amenable number.

312841013 is a deficient number, since it is larger than the sum of its proper divisors (1).

312841013 is an equidigital number, since it uses as much as digits as its factorization.

312841013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 312841013 is about 17687.3122039500. The cubic root of 312841013 is about 678.8511548675.

Adding to 312841013 its reverse (310148213), we get a palindrome (622989226).

The spelling of 312841013 in words is "three hundred twelve million, eight hundred forty-one thousand, thirteen".