231140996 has 24 divisors (see below), whose sum is σ = 420937440. Its totient is φ = 110964672.

The previous prime is 231140989. The next prime is 231140999. The reversal of 231140996 is 699041132.

It is not an unprimeable number, because it can be changed into a prime (231140999) 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, 1241 + ... + 21536.

It is an arithmetic number, because the mean of its divisors is an integer number (17539060).

Almost surely, 2^231140996 is an apocalyptic number.

It is an amenable number.

231140996 is a deficient number, since it is larger than the sum of its proper divisors (189796444).

231140996 is a wasteful number, since it uses less digits than its factorization.

231140996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22883 (or 22881 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 231140996 is about 15203.3218738538. The cubic root of 231140996 is about 613.7040558327.

The spelling of 231140996 in words is "two hundred thirty-one million, one hundred forty thousand, nine hundred ninety-six".