319931201 has 2 divisors, whose sum is σ = 319931202. Its totient is φ = 319931200.

The previous prime is 319931189. The next prime is 319931233. The reversal of 319931201 is 102139913.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 314530225 + 5400976 = 17735^2 + 2324^2 .

It is a cyclic number.

It is not a de Polignac number, because 319931201 - 2¹⁴ = 319914817 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (319931251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159965600 + 159965601.

It is an arithmetic number, because the mean of its divisors is an integer number (159965601).

Almost surely, 2^319931201 is an apocalyptic number.

It is an amenable number.

319931201 is a deficient number, since it is larger than the sum of its proper divisors (1).

319931201 is an equidigital number, since it uses as much as digits as its factorization.

319931201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 319931201 is about 17886.6207261182. The cubic root of 319931201 is about 683.9413565593.

The spelling of 319931201 in words is "three hundred nineteen million, nine hundred thirty-one thousand, two hundred one".