11331113023231 has 2 divisors, whose sum is σ = 11331113023232. Its totient is φ = 11331113023230.

The previous prime is 11331113023211. The next prime is 11331113023273. The reversal of 11331113023231 is 13232031113311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11331113023231 - 2⁵ = 11331113023199 is a prime.

It is a super-2 number, since 2×11331113023231² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11331113023196 and 11331113023205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11331113023211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665556511615 + 5665556511616.

It is an arithmetic number, because the mean of its divisors is an integer number (5665556511616).

Almost surely, 2^{11331113023231} is an apocalyptic number.

11331113023231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11331113023231 is an equidigital number, since it uses as much as digits as its factorization.

11331113023231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 11331113023231 its reverse (13232031113311), we get a palindrome (24563144136542).

The spelling of 11331113023231 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirteen million, twenty-three thousand, two hundred thirty-one".