11113203033431 has 2 divisors, whose sum is σ = 11113203033432. Its totient is φ = 11113203033430.

The previous prime is 11113203033341. The next prime is 11113203033461. The reversal of 11113203033431 is 13433030231111.

It is a happy number.

Together with previous prime (11113203033341) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11113203033431 - 2¹⁴ = 11113203017047 is a prime.

It is a super-2 number, since 2×11113203033431² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11113203033431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11113203033461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556601516715 + 5556601516716.

It is an arithmetic number, because the mean of its divisors is an integer number (5556601516716).

Almost surely, 2^{11113203033431} is an apocalyptic number.

11113203033431 is a deficient number, since it is larger than the sum of its proper divisors (1).

11113203033431 is an equidigital number, since it uses as much as digits as its factorization.

11113203033431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 11113203033431 its reverse (13433030231111), we get a palindrome (24546233264542).

The spelling of 11113203033431 in words is "eleven trillion, one hundred thirteen billion, two hundred three million, thirty-three thousand, four hundred thirty-one".