313220147 has 2 divisors, whose sum is σ = 313220148. Its totient is φ = 313220146.

The previous prime is 313220129. The next prime is 313220161. The reversal of 313220147 is 741022313.

It is a strong prime.

It is an emirp because it is prime and its reverse (741022313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313220147 - 2¹² = 313216051 is a prime.

It is not a weakly prime, because it can be changed into another prime (313220447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156610073 + 156610074.

It is an arithmetic number, because the mean of its divisors is an integer number (156610074).

Almost surely, 2^313220147 is an apocalyptic number.

313220147 is a deficient number, since it is larger than the sum of its proper divisors (1).

313220147 is an equidigital number, since it uses as much as digits as its factorization.

313220147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 313220147 is about 17698.0266414084. The cubic root of 313220147 is about 679.1252788275.

The spelling of 313220147 in words is "three hundred thirteen million, two hundred twenty thousand, one hundred forty-seven".