320342031293 has 2 divisors, whose sum is σ = 320342031294. Its totient is φ = 320342031292.

The previous prime is 320342031287. The next prime is 320342031313. The reversal of 320342031293 is 392130243023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 248803435204 + 71538596089 = 498802^2 + 267467^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320342031293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320342031203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160171015646 + 160171015647.

It is an arithmetic number, because the mean of its divisors is an integer number (160171015647).

Almost surely, 2^320342031293 is an apocalyptic number.

It is an amenable number.

320342031293 is a deficient number, since it is larger than the sum of its proper divisors (1).

320342031293 is an equidigital number, since it uses as much as digits as its factorization.

320342031293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 32.

The spelling of 320342031293 in words is "three hundred twenty billion, three hundred forty-two million, thirty-one thousand, two hundred ninety-three".