231042254 has 4 divisors (see below), whose sum is σ = 346563384. Its totient is φ = 115521126.

The previous prime is 231042233. The next prime is 231042269. The reversal of 231042254 is 452240132.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57760562 + ... + 57760565.

It is an arithmetic number, because the mean of its divisors is an integer number (86640846).

Almost surely, 2^231042254 is an apocalyptic number.

231042254 is a deficient number, since it is larger than the sum of its proper divisors (115521130).

231042254 is a wasteful number, since it uses less digits than its factorization.

231042254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115521129.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 231042254 is about 15200.0741445560. The cubic root of 231042254 is about 613.6166531967.

Adding to 231042254 its reverse (452240132), we get a palindrome (683282386).

The spelling of 231042254 in words is "two hundred thirty-one million, forty-two thousand, two hundred fifty-four".