319069427 has 2 divisors, whose sum is σ = 319069428. Its totient is φ = 319069426.

The previous prime is 319069393. The next prime is 319069441. The reversal of 319069427 is 724960913.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 319069427 - 2¹⁰ = 319068403 is a prime.

It is a super-2 number, since 2×319069427² = 203610598492216658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (319063427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159534713 + 159534714.

It is an arithmetic number, because the mean of its divisors is an integer number (159534714).

Almost surely, 2^319069427 is an apocalyptic number.

319069427 is a deficient number, since it is larger than the sum of its proper divisors (1).

319069427 is an equidigital number, since it uses as much as digits as its factorization.

319069427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 319069427 is about 17862.5145766211. The cubic root of 319069427 is about 683.3267109941.

The spelling of 319069427 in words is "three hundred nineteen million, sixty-nine thousand, four hundred twenty-seven".