320216365307 has 2 divisors, whose sum is σ = 320216365308. Its totient is φ = 320216365306.

The previous prime is 320216365303. The next prime is 320216365397. The reversal of 320216365307 is 703563612023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320216365307 - 2² = 320216365303 is a prime.

It is a super-2 number, since 2×320216365307² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (320216365303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160108182653 + 160108182654.

It is an arithmetic number, because the mean of its divisors is an integer number (160108182654).

Almost surely, 2^320216365307 is an apocalyptic number.

320216365307 is a deficient number, since it is larger than the sum of its proper divisors (1).

320216365307 is an equidigital number, since it uses as much as digits as its factorization.

320216365307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 38.

The spelling of 320216365307 in words is "three hundred twenty billion, two hundred sixteen million, three hundred sixty-five thousand, three hundred seven".