313047419 has 2 divisors, whose sum is σ = 313047420. Its totient is φ = 313047418.

The previous prime is 313047391. The next prime is 313047461. The reversal of 313047419 is 914740313.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313047419 is a prime.

It is a super-2 number, since 2×313047419² = 195997373085123122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (313047499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156523709 + 156523710.

It is an arithmetic number, because the mean of its divisors is an integer number (156523710).

Almost surely, 2^313047419 is an apocalyptic number.

313047419 is a deficient number, since it is larger than the sum of its proper divisors (1).

313047419 is an equidigital number, since it uses as much as digits as its factorization.

313047419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 313047419 is about 17693.1461023753. The cubic root of 313047419 is about 679.0004193406. Note that the first 3 decimals are identical.

The spelling of 313047419 in words is "three hundred thirteen million, forty-seven thousand, four hundred nineteen".