231560948069 has 16 divisors (see below), whose sum is σ = 253516937856. Its totient is φ = 209757081600.

The previous prime is 231560948009. The next prime is 231560948071. The reversal of 231560948069 is 960849065132.

It is a de Polignac number, because none of the positive numbers 2^k-231560948069 is a prime.

It is a super-2 number, since 2×231560948069² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231560948069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231560948009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3622949 + ... + 3686309.

It is an arithmetic number, because the mean of its divisors is an integer number (15844808616).

Almost surely, 2^231560948069 is an apocalyptic number.

It is an amenable number.

231560948069 is a deficient number, since it is larger than the sum of its proper divisors (21955989787).

231560948069 is a wasteful number, since it uses less digits than its factorization.

231560948069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64556.

The product of its (nonzero) digits is 2799360, while the sum is 53.

The spelling of 231560948069 in words is "two hundred thirty-one billion, five hundred sixty million, nine hundred forty-eight thousand, sixty-nine".