231141242 has 8 divisors (see below), whose sum is σ = 346785300. Its totient is φ = 115546144.

The previous prime is 231141233. The next prime is 231141269. The reversal of 231141242 is 242141132.

It can be written as a sum of positive squares in 2 ways, for example, as 227677921 + 3463321 = 15089^2 + 1861^2 .

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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3734 + ... + 21822.

Almost surely, 2^231141242 is an apocalyptic number.

231141242 is a deficient number, since it is larger than the sum of its proper divisors (115644058).

231141242 is a wasteful number, since it uses less digits than its factorization.

231141242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24480.

The product of its digits is 384, while the sum is 20.

The square root of 231141242 is about 15203.3299641888. The cubic root of 231141242 is about 613.7042735514.

Adding to 231141242 its reverse (242141132), we get a palindrome (473282374).

The spelling of 231141242 in words is "two hundred thirty-one million, one hundred forty-one thousand, two hundred forty-two".