231443302339 has 2 divisors, whose sum is σ = 231443302340. Its totient is φ = 231443302338.

The previous prime is 231443302301. The next prime is 231443302357. The reversal of 231443302339 is 933203344132.

It is a happy number.

231443302339 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231443302339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231443302298 and 231443302307.

It is not a weakly prime, because it can be changed into another prime (231443302939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115721651169 + 115721651170.

It is an arithmetic number, because the mean of its divisors is an integer number (115721651170).

Almost surely, 2^231443302339 is an apocalyptic number.

231443302339 is a deficient number, since it is larger than the sum of its proper divisors (1).

231443302339 is an equidigital number, since it uses as much as digits as its factorization.

231443302339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 37.

The spelling of 231443302339 in words is "two hundred thirty-one billion, four hundred forty-three million, three hundred two thousand, three hundred thirty-nine".