231043000445 has 8 divisors (see below), whose sum is σ = 277263122136. Its totient is φ = 184826719296.

The previous prime is 231043000369. The next prime is 231043000451. The reversal of 231043000445 is 544000340132.

It can be written as a sum of positive squares in 4 ways, for example, as 9132286969 + 221910713476 = 95563^2 + 471074^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 231043000445 - 2²⁰ = 231041951869 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 826082 + ... + 1069811.

It is an arithmetic number, because the mean of its divisors is an integer number (34657890267).

Almost surely, 2^231043000445 is an apocalyptic number.

It is an amenable number.

231043000445 is a deficient number, since it is larger than the sum of its proper divisors (46220121691).

231043000445 is a wasteful number, since it uses less digits than its factorization.

231043000445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920271.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 231043000445 its reverse (544000340132), we get a palindrome (775043340577).

The spelling of 231043000445 in words is "two hundred thirty-one billion, forty-three million, four hundred forty-five", and thus it is an aban number.