231044675647 has 2 divisors, whose sum is σ = 231044675648. Its totient is φ = 231044675646.

The previous prime is 231044675621. The next prime is 231044675669. The reversal of 231044675647 is 746576440132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231044675647 - 2³⁵ = 196684937279 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231044675647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231044673647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115522337823 + 115522337824.

It is an arithmetic number, because the mean of its divisors is an integer number (115522337824).

Almost surely, 2^231044675647 is an apocalyptic number.

231044675647 is a deficient number, since it is larger than the sum of its proper divisors (1).

231044675647 is an equidigital number, since it uses as much as digits as its factorization.

231044675647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3386880, while the sum is 49.

The spelling of 231044675647 in words is "two hundred thirty-one billion, forty-four million, six hundred seventy-five thousand, six hundred forty-seven".