231241097 has 4 divisors (see below), whose sum is σ = 231305796. Its totient is φ = 231176400.

The previous prime is 231241093. The next prime is 231241117. The reversal of 231241097 is 790142132.

231241097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 839056 + 230402041 = 916^2 + 15179^2 .

It is a cyclic number.

It is not a de Polignac number, because 231241097 - 2² = 231241093 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231241093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26654 + ... + 34247.

It is an arithmetic number, because the mean of its divisors is an integer number (57826449).

Almost surely, 2^231241097 is an apocalyptic number.

It is an amenable number.

231241097 is a deficient number, since it is larger than the sum of its proper divisors (64699).

231241097 is an equidigital number, since it uses as much as digits as its factorization.

231241097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64698.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 231241097 is about 15206.6135940912. The cubic root of 231241097 is about 613.7926359990.

The spelling of 231241097 in words is "two hundred thirty-one million, two hundred forty-one thousand, ninety-seven".