231812054 has 16 divisors (see below), whose sum is σ = 357255360. Its totient is φ = 112749000.

The previous prime is 231812041. The next prime is 231812059. The reversal of 231812054 is 450218132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231812059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16217 + ... + 26955.

It is an arithmetic number, because the mean of its divisors is an integer number (22328460).

Almost surely, 2^231812054 is an apocalyptic number.

231812054 is a deficient number, since it is larger than the sum of its proper divisors (125443306).

231812054 is a wasteful number, since it uses less digits than its factorization.

231812054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11035.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 231812054 is about 15225.3753319910. The cubic root of 231812054 is about 614.2973922475.

The spelling of 231812054 in words is "two hundred thirty-one million, eight hundred twelve thousand, fifty-four".