231468571 has 2 divisors, whose sum is σ = 231468572. Its totient is φ = 231468570.

The previous prime is 231468563. The next prime is 231468577. The reversal of 231468571 is 175864132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231468571 - 2³ = 231468563 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231468571.

It is not a weakly prime, because it can be changed into another prime (231468577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115734285 + 115734286.

It is an arithmetic number, because the mean of its divisors is an integer number (115734286).

Almost surely, 2^231468571 is an apocalyptic number.

231468571 is a deficient number, since it is larger than the sum of its proper divisors (1).

231468571 is an equidigital number, since it uses as much as digits as its factorization.

231468571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 37.

The square root of 231468571 is about 15214.0911986224. The cubic root of 231468571 is about 613.9938345323.

The spelling of 231468571 in words is "two hundred thirty-one million, four hundred sixty-eight thousand, five hundred seventy-one".