231009196 has 24 divisors (see below), whose sum is σ = 448252560. Its totient is φ = 103281600.

The previous prime is 231009187. The next prime is 231009197. The reversal of 231009196 is 691900132.

It is not an unprimeable number, because it can be changed into a prime (231009197) 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, 40351 + ... + 45718.

It is an arithmetic number, because the mean of its divisors is an integer number (18677190).

Almost surely, 2^231009196 is an apocalyptic number.

It is an amenable number.

231009196 is a deficient number, since it is larger than the sum of its proper divisors (217243364).

231009196 is a wasteful number, since it uses less digits than its factorization.

231009196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86145 (or 86143 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 231009196 is about 15198.9866767492. The cubic root of 231009196 is about 613.5873859573.

The spelling of 231009196 in words is "two hundred thirty-one million, nine thousand, one hundred ninety-six".