231040554 has 8 divisors (see below), whose sum is σ = 462081120. Its totient is φ = 77013516.

The previous prime is 231040531. The next prime is 231040571. The reversal of 231040554 is 455040132.

231040554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

231040554 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19253374 + ... + 19253385.

It is an arithmetic number, because the mean of its divisors is an integer number (57760140).

Almost surely, 2^231040554 is an apocalyptic number.

231040554 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

231040554 is a wasteful number, since it uses less digits than its factorization.

231040554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38506764.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 231040554 is about 15200.0182236733. The cubic root of 231040554 is about 613.6151482038.

Adding to 231040554 its reverse (455040132), we get a palindrome (686080686).

The spelling of 231040554 in words is "two hundred thirty-one million, forty thousand, five hundred fifty-four".