320102315129 has 2 divisors, whose sum is σ = 320102315130. Its totient is φ = 320102315128.

The previous prime is 320102315107. The next prime is 320102315161. The reversal of 320102315129 is 921513201023.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 286356625129 + 33745690000 = 535123^2 + 183700^2 .

It is a cyclic number.

It is not a de Polignac number, because 320102315129 - 2²⁴ = 320085537913 is a prime.

It is not a weakly prime, because it can be changed into another prime (320102315189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160051157564 + 160051157565.

It is an arithmetic number, because the mean of its divisors is an integer number (160051157565).

Almost surely, 2^320102315129 is an apocalyptic number.

It is an amenable number.

320102315129 is a deficient number, since it is larger than the sum of its proper divisors (1).

320102315129 is an equidigital number, since it uses as much as digits as its factorization.

320102315129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The spelling of 320102315129 in words is "three hundred twenty billion, one hundred two million, three hundred fifteen thousand, one hundred twenty-nine".