231716042 has 4 divisors (see below), whose sum is σ = 347574066. Its totient is φ = 115858020.

The previous prime is 231716029. The next prime is 231716057. The reversal of 231716042 is 240617132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 132733441 + 98982601 = 11521^2 + 9949^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57929009 + ... + 57929012.

Almost surely, 2^231716042 is an apocalyptic number.

231716042 is a deficient number, since it is larger than the sum of its proper divisors (115858024).

231716042 is a wasteful number, since it uses less digits than its factorization.

231716042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115858023.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 231716042 is about 15222.2219797242. The cubic root of 231716042 is about 614.2125705643.

The spelling of 231716042 in words is "two hundred thirty-one million, seven hundred sixteen thousand, forty-two".