231096791 has 8 divisors (see below), whose sum is σ = 248436480. Its totient is φ = 214274808.

The previous prime is 231096773. The next prime is 231096799. The reversal of 231096791 is 197690132.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231096791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231096799) 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, 128501 + ... + 130286.

It is an arithmetic number, because the mean of its divisors is an integer number (31054560).

Almost surely, 2^231096791 is an apocalyptic number.

231096791 is a deficient number, since it is larger than the sum of its proper divisors (17339689).

231096791 is a wasteful number, since it uses less digits than its factorization.

231096791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258853.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 231096791 is about 15201.8680102151. The cubic root of 231096791 is about 613.6649303381.

The spelling of 231096791 in words is "two hundred thirty-one million, ninety-six thousand, seven hundred ninety-one".