321114407 has 2 divisors, whose sum is σ = 321114408. Its totient is φ = 321114406.

The previous prime is 321114397. The next prime is 321114433. The reversal of 321114407 is 704411123.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321114407 is a prime.

It is a super-2 number, since 2×321114407² = 206228924765923298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321114457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160557203 + 160557204.

It is an arithmetic number, because the mean of its divisors is an integer number (160557204).

Almost surely, 2^321114407 is an apocalyptic number.

321114407 is a deficient number, since it is larger than the sum of its proper divisors (1).

321114407 is an equidigital number, since it uses as much as digits as its factorization.

321114407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 321114407 is about 17919.6653707596. The cubic root of 321114407 is about 684.7834625566.

The spelling of 321114407 in words is "three hundred twenty-one million, one hundred fourteen thousand, four hundred seven".