231383505383039 has 2 divisors, whose sum is σ = 231383505383040. Its totient is φ = 231383505383038.

The previous prime is 231383505383021. The next prime is 231383505383137. The reversal of 231383505383039 is 930383505383132.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231383505383039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231383505383539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115691752691519 + 115691752691520.

It is an arithmetic number, because the mean of its divisors is an integer number (115691752691520).

Almost surely, 2^{231383505383039} is an apocalyptic number.

231383505383039 is a deficient number, since it is larger than the sum of its proper divisors (1).

231383505383039 is an equidigital number, since it uses as much as digits as its factorization.

231383505383039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20995200, while the sum is 56.

The spelling of 231383505383039 in words is "two hundred thirty-one trillion, three hundred eighty-three billion, five hundred five million, three hundred eighty-three thousand, thirty-nine".