231111320411041 has 6 divisors (see below), whose sum is σ = 268843780886370. Its totient is φ = 198095417495136.

The previous prime is 231111320411033. The next prime is 231111320411051. The reversal of 231111320411041 is 140114023111132.

It can be written as a sum of positive squares in only one way, i.e., 227964581462016 + 3146738949025 = 15098496^2 + 1773905^2 .

It is not a de Polignac number, because 231111320411041 - 2³ = 231111320411033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231111320410997 and 231111320411015.

It is not an unprimeable number, because it can be changed into a prime (231111320411011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2358278779656 + ... + 2358278779753.

It is an arithmetic number, because the mean of its divisors is an integer number (44807296814395).

Almost surely, 2^{231111320411041} is an apocalyptic number.

It is an amenable number.

231111320411041 is a deficient number, since it is larger than the sum of its proper divisors (37732460475329).

231111320411041 is an equidigital number, since it uses as much as digits as its factorization.

231111320411041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4716557559423 (or 4716557559416 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

Adding to 231111320411041 its reverse (140114023111132), we get a palindrome (371225343522173).

The spelling of 231111320411041 in words is "two hundred thirty-one trillion, one hundred eleven billion, three hundred twenty million, four hundred eleven thousand, forty-one".