313340047 has 2 divisors, whose sum is σ = 313340048. Its totient is φ = 313340046.

The previous prime is 313340021. The next prime is 313340057. The reversal of 313340047 is 740043313.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 313340047 - 2⁷ = 313339919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313340057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156670023 + 156670024.

It is an arithmetic number, because the mean of its divisors is an integer number (156670024).

Almost surely, 2^313340047 is an apocalyptic number.

313340047 is a deficient number, since it is larger than the sum of its proper divisors (1).

313340047 is an equidigital number, since it uses as much as digits as its factorization.

313340047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 313340047 is about 17701.4137006059. The cubic root of 313340047 is about 679.2119236723.

The spelling of 313340047 in words is "three hundred thirteen million, three hundred forty thousand, forty-seven".