313601237 has 2 divisors, whose sum is σ = 313601238. Its totient is φ = 313601236.

The previous prime is 313601191. The next prime is 313601257. The reversal of 313601237 is 732106313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 159617956 + 153983281 = 12634^2 + 12409^2 .

It is an emirp because it is prime and its reverse (732106313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313601237 - 2⁶ = 313601173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313601257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156800618 + 156800619.

It is an arithmetic number, because the mean of its divisors is an integer number (156800619).

Almost surely, 2^313601237 is an apocalyptic number.

It is an amenable number.

313601237 is a deficient number, since it is larger than the sum of its proper divisors (1).

313601237 is an equidigital number, since it uses as much as digits as its factorization.

313601237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 313601237 is about 17708.7898231359. The cubic root of 313601237 is about 679.4005941964.

The spelling of 313601237 in words is "three hundred thirteen million, six hundred one thousand, two hundred thirty-seven".