320230204139 has 2 divisors, whose sum is σ = 320230204140. Its totient is φ = 320230204138.

The previous prime is 320230204123. The next prime is 320230204141. The reversal of 320230204139 is 931402032023.

It is a strong prime.

It is an emirp because it is prime and its reverse (931402032023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320230204139 - 2⁴ = 320230204123 is a prime.

It is a super-2 number, since 2×320230204139² (a number of 24 digits) contains 22 as substring.

Together with 320230204141, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (320230204199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160115102069 + 160115102070.

It is an arithmetic number, because the mean of its divisors is an integer number (160115102070).

Almost surely, 2^320230204139 is an apocalyptic number.

320230204139 is a deficient number, since it is larger than the sum of its proper divisors (1).

320230204139 is an equidigital number, since it uses as much as digits as its factorization.

320230204139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 29.

The spelling of 320230204139 in words is "three hundred twenty billion, two hundred thirty million, two hundred four thousand, one hundred thirty-nine".