231257182780339 has 2 divisors, whose sum is σ = 231257182780340. Its totient is φ = 231257182780338.

The previous prime is 231257182780291. The next prime is 231257182780391. The reversal of 231257182780339 is 933087281752132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231257182780339 - 2³⁵ = 231222823041971 is a prime.

It is not a weakly prime, because it can be changed into another prime (231257182786339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115628591390169 + 115628591390170.

It is an arithmetic number, because the mean of its divisors is an integer number (115628591390170).

Almost surely, 2^{231257182780339} is an apocalyptic number.

231257182780339 is a deficient number, since it is larger than the sum of its proper divisors (1).

231257182780339 is an equidigital number, since it uses as much as digits as its factorization.

231257182780339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30481920, while the sum is 61.

The spelling of 231257182780339 in words is "two hundred thirty-one trillion, two hundred fifty-seven billion, one hundred eighty-two million, seven hundred eighty thousand, three hundred thirty-nine".