231715401 has 8 divisors (see below), whose sum is σ = 310507200. Its totient is φ = 153700272.

The previous prime is 231715399. The next prime is 231715447. The reversal of 231715401 is 104517132.

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

It is not a de Polignac number, because 231715401 - 2¹ = 231715399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231715301) 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, 193470 + ... + 194663.

It is an arithmetic number, because the mean of its divisors is an integer number (38813400).

Almost surely, 2^231715401 is an apocalyptic number.

It is an amenable number.

231715401 is a deficient number, since it is larger than the sum of its proper divisors (78791799).

231715401 is a wasteful number, since it uses less digits than its factorization.

231715401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388335.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 231715401 is about 15222.2009249648. The cubic root of 231715401 is about 614.2120041949.

The spelling of 231715401 in words is "two hundred thirty-one million, seven hundred fifteen thousand, four hundred one".