231715457 has 8 divisors (see below), whose sum is σ = 245573856. Its totient is φ = 217882432.

The previous prime is 231715447. The next prime is 231715487. The reversal of 231715457 is 754517132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231715457 - 2¹⁰ = 231714433 is a prime.

It is a super-3 number, since 3×231715457³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231715447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14438 + ... + 25920.

It is an arithmetic number, because the mean of its divisors is an integer number (30696732).

Almost surely, 2^231715457 is an apocalyptic number.

It is an amenable number.

231715457 is a deficient number, since it is larger than the sum of its proper divisors (13858399).

231715457 is a wasteful number, since it uses less digits than its factorization.

231715457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12687.

The product of its digits is 29400, while the sum is 35.

The square root of 231715457 is about 15222.2027643833. The cubic root of 231715457 is about 614.2120536749.

The spelling of 231715457 in words is "two hundred thirty-one million, seven hundred fifteen thousand, four hundred fifty-seven".