231005339 has 2 divisors, whose sum is σ = 231005340. Its totient is φ = 231005338.

The previous prime is 231005321. The next prime is 231005381. The reversal of 231005339 is 933500132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231005339 - 2²⁴ = 214228123 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (231005389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115502669 + 115502670.

It is an arithmetic number, because the mean of its divisors is an integer number (115502670).

Almost surely, 2^231005339 is an apocalyptic number.

231005339 is a deficient number, since it is larger than the sum of its proper divisors (1).

231005339 is an equidigital number, since it uses as much as digits as its factorization.

231005339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 26.

The square root of 231005339 is about 15198.8597927608. The cubic root of 231005339 is about 613.5839710576.

The spelling of 231005339 in words is "two hundred thirty-one million, five thousand, three hundred thirty-nine".