320083031 has 2 divisors, whose sum is σ = 320083032. Its totient is φ = 320083030.

The previous prime is 320083007. The next prime is 320083033. The reversal of 320083031 is 130380023.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320083031 is a prime.

It is a super-2 number, since 2×320083031² = 204906293468293922, which contains 22 as substring.

Together with 320083033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 320082994 and 320083012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320083033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160041515 + 160041516.

It is an arithmetic number, because the mean of its divisors is an integer number (160041516).

Almost surely, 2^320083031 is an apocalyptic number.

320083031 is a deficient number, since it is larger than the sum of its proper divisors (1).

320083031 is an equidigital number, since it uses as much as digits as its factorization.

320083031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 320083031 is about 17890.8644564761. The cubic root of 320083031 is about 684.0495323101.

The spelling of 320083031 in words is "three hundred twenty million, eighty-three thousand, thirty-one".