313616047 has 2 divisors, whose sum is σ = 313616048. Its totient is φ = 313616046.

The previous prime is 313616041. The next prime is 313616059. The reversal of 313616047 is 740616313.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313616047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313616041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156808023 + 156808024.

It is an arithmetic number, because the mean of its divisors is an integer number (156808024).

Almost surely, 2^313616047 is an apocalyptic number.

313616047 is a deficient number, since it is larger than the sum of its proper divisors (1).

313616047 is an equidigital number, since it uses as much as digits as its factorization.

313616047 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 31.

The square root of 313616047 is about 17709.2079721257. The cubic root of 313616047 is about 679.4112890569.

The spelling of 313616047 in words is "three hundred thirteen million, six hundred sixteen thousand, forty-seven".