313861147 has 2 divisors, whose sum is σ = 313861148. Its totient is φ = 313861146.

The previous prime is 313861129. The next prime is 313861187. The reversal of 313861147 is 741168313.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313861147 is a prime.

It is not a weakly prime, because it can be changed into another prime (313861117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156930573 + 156930574.

It is an arithmetic number, because the mean of its divisors is an integer number (156930574).

Almost surely, 2^313861147 is an apocalyptic number.

313861147 is a deficient number, since it is larger than the sum of its proper divisors (1).

313861147 is an equidigital number, since it uses as much as digits as its factorization.

313861147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 34.

The square root of 313861147 is about 17716.1267493772. The cubic root of 313861147 is about 679.5882361512.

The spelling of 313861147 in words is "three hundred thirteen million, eight hundred sixty-one thousand, one hundred forty-seven".