231573242 has 8 divisors (see below), whose sum is σ = 347447232. Its totient is φ = 115757500.

The previous prime is 231573233. The next prime is 231573281. The reversal of 231573242 is 242375132.

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

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 in 3 ways as a sum of consecutive naturals, for example, 2684 + ... + 21687.

It is an arithmetic number, because the mean of its divisors is an integer number (43430904).

Almost surely, 2^231573242 is an apocalyptic number.

231573242 is a deficient number, since it is larger than the sum of its proper divisors (115873990).

231573242 is a wasteful number, since it uses less digits than its factorization.

231573242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29124.

The product of its digits is 10080, while the sum is 29.

The square root of 231573242 is about 15217.5307458208. The cubic root of 231573242 is about 614.0863707291.

It can be divided in two parts, 2315 and 73242, that added together give a palindrome (75557).

The spelling of 231573242 in words is "two hundred thirty-one million, five hundred seventy-three thousand, two hundred forty-two".