321134419 has 2 divisors, whose sum is σ = 321134420. Its totient is φ = 321134418.

The previous prime is 321134399. The next prime is 321134423. The reversal of 321134419 is 914431123.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321134419 is a prime.

It is a super-2 number, since 2×321134419² = 206254630132935122, which contains 22 as substring.

It is a Chen prime.

It is equal to p_17333182 and since 321134419 and 17333182 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (321134479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160567209 + 160567210.

It is an arithmetic number, because the mean of its divisors is an integer number (160567210).

Almost surely, 2^321134419 is an apocalyptic number.

321134419 is a deficient number, since it is larger than the sum of its proper divisors (1).

321134419 is an equidigital number, since it uses as much as digits as its factorization.

321134419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 28.

The square root of 321134419 is about 17920.2237430229. The cubic root of 321134419 is about 684.7976876030.

The spelling of 321134419 in words is "three hundred twenty-one million, one hundred thirty-four thousand, four hundred nineteen".