312841019 has 2 divisors, whose sum is σ = 312841020. Its totient is φ = 312841018.

The previous prime is 312841013. The next prime is 312841037. The reversal of 312841019 is 910148213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312841019 - 2⁴ = 312841003 is a prime.

It is a super-2 number, since 2×312841019² = 195739006337916722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 312840982 and 312841000.

It is not a weakly prime, because it can be changed into another prime (312841013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156420509 + 156420510.

It is an arithmetic number, because the mean of its divisors is an integer number (156420510).

Almost surely, 2^312841019 is an apocalyptic number.

312841019 is a deficient number, since it is larger than the sum of its proper divisors (1).

312841019 is an equidigital number, since it uses as much as digits as its factorization.

312841019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 312841019 is about 17687.3123735631. The cubic root of 312841019 is about 678.8511592074.

The spelling of 312841019 in words is "three hundred twelve million, eight hundred forty-one thousand, nineteen".