231334431431339 has 2 divisors, whose sum is σ = 231334431431340. Its totient is φ = 231334431431338.

The previous prime is 231334431431297. The next prime is 231334431431353. The reversal of 231334431431339 is 933134134433132.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231334431431339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231334431431293 and 231334431431302.

It is not a weakly prime, because it can be changed into another prime (231334431431359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115667215715669 + 115667215715670.

It is an arithmetic number, because the mean of its divisors is an integer number (115667215715670).

Almost surely, 2^{231334431431339} is an apocalyptic number.

231334431431339 is a deficient number, since it is larger than the sum of its proper divisors (1).

231334431431339 is an equidigital number, since it uses as much as digits as its factorization.

231334431431339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2519424, while the sum is 47.

The spelling of 231334431431339 in words is "two hundred thirty-one trillion, three hundred thirty-four billion, four hundred thirty-one million, four hundred thirty-one thousand, three hundred thirty-nine".