231091874575 has 6 divisors (see below), whose sum is σ = 286553924504. Its totient is φ = 184873499640.

The previous prime is 231091874567. The next prime is 231091874593. The reversal of 231091874575 is 575478190132.

It is not a de Polignac number, because 231091874575 - 2³ = 231091874567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4621837467 + ... + 4621837516.

Almost surely, 2^231091874575 is an apocalyptic number.

231091874575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

231091874575 is a deficient number, since it is larger than the sum of its proper divisors (55462049929).

231091874575 is an equidigital number, since it uses as much as digits as its factorization.

231091874575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9243674993 (or 9243674988 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 52.

The spelling of 231091874575 in words is "two hundred thirty-one billion, ninety-one million, eight hundred seventy-four thousand, five hundred seventy-five".