1231041323341 has 4 divisors (see below), whose sum is σ = 1232484514492. Its totient is φ = 1229598132192.

The previous prime is 1231041323333. The next prime is 1231041323363. The reversal of 1231041323341 is 1433231401321.

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 80077114441 + 1150964208900 = 282979^2 + 1072830^2 .

It is a cyclic number.

It is not a de Polignac number, because 1231041323341 - 2³ = 1231041323333 is a prime.

It is a super-2 number, since 2×1231041323341² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231041393341) 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, 721594296 + ... + 721596001.

It is an arithmetic number, because the mean of its divisors is an integer number (308121128623).

Almost surely, 2^{1231041323341} is an apocalyptic number.

It is an amenable number.

1231041323341 is a deficient number, since it is larger than the sum of its proper divisors (1443191151).

1231041323341 is an equidigital number, since it uses as much as digits as its factorization.

1231041323341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443191150.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 1231041323341 its reverse (1433231401321), we get a palindrome (2664272724662).

The spelling of 1231041323341 in words is "one trillion, two hundred thirty-one billion, forty-one million, three hundred twenty-three thousand, three hundred forty-one".