319351 has 2 divisors, whose sum is σ = 319352. Its totient is φ = 319350.

The previous prime is 319343. The next prime is 319357. The reversal of 319351 is 153913.

It is a strong prime.

It is an emirp because it is prime and its reverse (153913) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 319351 - 2³ = 319343 is a prime.

It is a super-2 number, since 2×319351² = 203970122402, which contains 22 as substring.

It is a Chen prime.

It is equal to p₂₇₅₅₃ and since 319351 and 27553 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (319357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159675 + 159676.

It is an arithmetic number, because the mean of its divisors is an integer number (159676).

2³¹⁹³⁵¹ is an apocalyptic number.

319351 is a deficient number, since it is larger than the sum of its proper divisors (1).

319351 is an equidigital number, since it uses as much as digits as its factorization.

319351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 405, while the sum is 22.

The square root of 319351 is about 565.1114934241. Note that the first 3 decimals coincide. The cubic root of 319351 is about 68.3527659717.

The spelling of 319351 in words is "three hundred nineteen thousand, three hundred fifty-one".