11103123324431 has 2 divisors, whose sum is σ = 11103123324432. Its totient is φ = 11103123324430.

The previous prime is 11103123324347. The next prime is 11103123324439. The reversal of 11103123324431 is 13442332130111.

11103123324431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11103123324431 is a prime.

It is a super-2 number, since 2×11103123324431² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11103123324394 and 11103123324403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11103123324439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5551561662215 + 5551561662216.

It is an arithmetic number, because the mean of its divisors is an integer number (5551561662216).

Almost surely, 2^{11103123324431} is an apocalyptic number.

11103123324431 is a deficient number, since it is larger than the sum of its proper divisors (1).

11103123324431 is an equidigital number, since it uses as much as digits as its factorization.

11103123324431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 11103123324431 its reverse (13442332130111), we get a palindrome (24545455454542).

The spelling of 11103123324431 in words is "eleven trillion, one hundred three billion, one hundred twenty-three million, three hundred twenty-four thousand, four hundred thirty-one".