320957107 has 2 divisors, whose sum is σ = 320957108. Its totient is φ = 320957106.

The previous prime is 320957069. The next prime is 320957113. The reversal of 320957107 is 701759023.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320957107 - 2¹⁵ = 320924339 is a prime.

It is not a weakly prime, because it can be changed into another prime (320958107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160478553 + 160478554.

It is an arithmetic number, because the mean of its divisors is an integer number (160478554).

Almost surely, 2^320957107 is an apocalyptic number.

320957107 is a deficient number, since it is larger than the sum of its proper divisors (1).

320957107 is an equidigital number, since it uses as much as digits as its factorization.

320957107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 320957107 is about 17915.2758002773. The cubic root of 320957107 is about 684.6716290692.

The spelling of 320957107 in words is "three hundred twenty million, nine hundred fifty-seven thousand, one hundred seven".