231200993097 has 24 divisors (see below), whose sum is σ = 338992253600. Its totient is φ = 151810718400.

The previous prime is 231200993069. The next prime is 231200993119. The reversal of 231200993097 is 790399002132.

It is a happy number.

231200993097 is a `hidden beast` number, since 231 + 20 + 0 + 99 + 309 + 7 = 666.

It is not a de Polignac number, because 231200993097 - 2²² = 231196798793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231200993017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4617597 + ... + 4667397.

Almost surely, 2^231200993097 is an apocalyptic number.

It is an amenable number.

231200993097 is a deficient number, since it is larger than the sum of its proper divisors (107791260503).

231200993097 is a wasteful number, since it uses less digits than its factorization.

231200993097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57573 (or 57570 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 45.

The spelling of 231200993097 in words is "two hundred thirty-one billion, two hundred million, nine hundred ninety-three thousand, ninety-seven".