231022254 has 32 divisors (see below), whose sum is σ = 487054080. Its totient is φ = 72850752.

The previous prime is 231022243. The next prime is 231022277. The reversal of 231022254 is 452220132.

231022254 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 231022254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138594 + ... + 140250.

It is an arithmetic number, because the mean of its divisors is an integer number (15220440).

Almost surely, 2^231022254 is an apocalyptic number.

231022254 is an abundant number, since it is smaller than the sum of its proper divisors (256031826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231022254 is a wasteful number, since it uses less digits than its factorization.

231022254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2904.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 231022254 is about 15199.4162387902. The cubic root of 231022254 is about 613.5989469302.

Adding to 231022254 its reverse (452220132), we get a palindrome (683242386).

The spelling of 231022254 in words is "two hundred thirty-one million, twenty-two thousand, two hundred fifty-four".