313390747 has 4 divisors (see below), whose sum is σ = 313854336. Its totient is φ = 312927160.

The previous prime is 313390739. The next prime is 313390771. The reversal of 313390747 is 747093313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 313390747 - 2³ = 313390739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313390717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230779 + ... + 232132.

It is an arithmetic number, because the mean of its divisors is an integer number (78463584).

Almost surely, 2^313390747 is an apocalyptic number.

313390747 is a deficient number, since it is larger than the sum of its proper divisors (463589).

313390747 is an equidigital number, since it uses as much as digits as its factorization.

313390747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463588.

The product of its (nonzero) digits is 47628, while the sum is 37.

The square root of 313390747 is about 17702.8457316896. The cubic root of 313390747 is about 679.2485550017.

The spelling of 313390747 in words is "three hundred thirteen million, three hundred ninety thousand, seven hundred forty-seven".