231117054 has 32 divisors (see below), whose sum is σ = 528802560. Its totient is φ = 65966592.

The previous prime is 231117043. The next prime is 231117097. The reversal of 231117054 is 450711132.

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, 51742 + ... + 56030.

It is an arithmetic number, because the mean of its divisors is an integer number (16525080).

Almost surely, 2^231117054 is an apocalyptic number.

231117054 is an abundant number, since it is smaller than the sum of its proper divisors (297685506).

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

231117054 is a wasteful number, since it uses less digits than its factorization.

231117054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5584.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 231117054 is about 15202.5344597537. The cubic root of 231117054 is about 613.6828655778.

Adding to 231117054 its reverse (450711132), we get a palindrome (681828186).

The spelling of 231117054 in words is "two hundred thirty-one million, one hundred seventeen thousand, fifty-four".