231055066 has 24 divisors (see below), whose sum is σ = 383537952. Its totient is φ = 104313000.

The previous prime is 231055063. The next prime is 231055073. The reversal of 231055066 is 660550132.

It is not an unprimeable number, because it can be changed into a prime (231055063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33381 + ... + 39703.

It is an arithmetic number, because the mean of its divisors is an integer number (15980748).

Almost surely, 2^231055066 is an apocalyptic number.

231055066 is a deficient number, since it is larger than the sum of its proper divisors (152482886).

231055066 is a wasteful number, since it uses less digits than its factorization.

231055066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6498 (or 6487 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 231055066 is about 15200.4955840262. The cubic root of 231055066 is about 613.6279952941.

The spelling of 231055066 in words is "two hundred thirty-one million, fifty-five thousand, sixty-six".