313612147 has 2 divisors, whose sum is σ = 313612148. Its totient is φ = 313612146.

The previous prime is 313612133. The next prime is 313612181. The reversal of 313612147 is 741216313.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313612147 is a prime.

It is not a weakly prime, because it can be changed into another prime (313615147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156806073 + 156806074.

It is an arithmetic number, because the mean of its divisors is an integer number (156806074).

Almost surely, 2^313612147 is an apocalyptic number.

313612147 is a deficient number, since it is larger than the sum of its proper divisors (1).

313612147 is an equidigital number, since it uses as much as digits as its factorization.

313612147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 28.

The square root of 313612147 is about 17709.0978595749. The cubic root of 313612147 is about 679.4084727522.

The spelling of 313612147 in words is "three hundred thirteen million, six hundred twelve thousand, one hundred forty-seven".