231320282023139 has 2 divisors, whose sum is σ = 231320282023140. Its totient is φ = 231320282023138.

The previous prime is 231320282023093. The next prime is 231320282023231. The reversal of 231320282023139 is 931320282023132.

It is a happy number.

231320282023139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231320282023139 - 2⁸ = 231320282022883 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231320282023096 and 231320282023105.

It is not a weakly prime, because it can be changed into another prime (231320282023339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115660141011569 + 115660141011570.

It is an arithmetic number, because the mean of its divisors is an integer number (115660141011570).

Almost surely, 2^{231320282023139} is an apocalyptic number.

231320282023139 is a deficient number, since it is larger than the sum of its proper divisors (1).

231320282023139 is an equidigital number, since it uses as much as digits as its factorization.

231320282023139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 231320282023139 in words is "two hundred thirty-one trillion, three hundred twenty billion, two hundred eighty-two million, twenty-three thousand, one hundred thirty-nine".