231041010113 has 4 divisors (see below), whose sum is σ = 231875093460. Its totient is φ = 230206926768.

The previous prime is 231041010091. The next prime is 231041010119. The reversal of 231041010113 is 311010140132.

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 115095312049 + 115945698064 = 339257^2 + 340508^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231041010113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231041010091 and 231041010100.

It is not an unprimeable number, because it can be changed into a prime (231041010119) 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, 417041258 + ... + 417041811.

It is an arithmetic number, because the mean of its divisors is an integer number (57968773365).

Almost surely, 2^231041010113 is an apocalyptic number.

It is an amenable number.

231041010113 is a deficient number, since it is larger than the sum of its proper divisors (834083347).

231041010113 is an equidigital number, since it uses as much as digits as its factorization.

231041010113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834083346.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 231041010113 its reverse (311010140132), we get a palindrome (542051150245).

The spelling of 231041010113 in words is "two hundred thirty-one billion, forty-one million, ten thousand, one hundred thirteen".