231244860097 has 8 divisors (see below), whose sum is σ = 239224179240. Its totient is φ = 223265898240.

The previous prime is 231244860079. The next prime is 231244860107. The reversal of 231244860097 is 790068442132.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 29791105201 + 201453754896 = 172601^2 + 448836^2 .

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-231244860097 is a prime.

It is a super-2 number, since 2×231244860097² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231244860797) 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, 2505897 + ... + 2596537.

It is an arithmetic number, because the mean of its divisors is an integer number (29903022405).

Almost surely, 2^231244860097 is an apocalyptic number.

It is an amenable number.

231244860097 is a deficient number, since it is larger than the sum of its proper divisors (7979319143).

231244860097 is an equidigital number, since it uses as much as digits as its factorization.

231244860097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178643.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 231244860097 in words is "two hundred thirty-one billion, two hundred forty-four million, eight hundred sixty thousand, ninety-seven".