320696351 has 2 divisors, whose sum is σ = 320696352. Its totient is φ = 320696350.

The previous prime is 320696339. The next prime is 320696393. The reversal of 320696351 is 153696023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320696351 - 2²² = 316502047 is a prime.

It is a super-2 number, since 2×320696351² = 205692299089430402, which contains 22 as substring.

It is equal to p_17310788 and since 320696351 and 17310788 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 (320696851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160348175 + 160348176.

It is an arithmetic number, because the mean of its divisors is an integer number (160348176).

Almost surely, 2^320696351 is an apocalyptic number.

320696351 is a deficient number, since it is larger than the sum of its proper divisors (1).

320696351 is an equidigital number, since it uses as much as digits as its factorization.

320696351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 320696351 is about 17907.9968449852. The cubic root of 320696351 is about 684.4861623285.

The spelling of 320696351 in words is "three hundred twenty million, six hundred ninety-six thousand, three hundred fifty-one".