11040030431 has 2 divisors, whose sum is σ = 11040030432. Its totient is φ = 11040030430.

The previous prime is 11040030373. The next prime is 11040030457. The reversal of 11040030431 is 13403004011.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11040030431 is a prime.

It is a super-2 number, since 2×11040030431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11040030461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5520015215 + 5520015216.

It is an arithmetic number, because the mean of its divisors is an integer number (5520015216).

Almost surely, 2^11040030431 is an apocalyptic number.

11040030431 is a deficient number, since it is larger than the sum of its proper divisors (1).

11040030431 is an equidigital number, since it uses as much as digits as its factorization.

11040030431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 11040030431 its reverse (13403004011), we get a palindrome (24443034442).

The spelling of 11040030431 in words is "eleven billion, forty million, thirty thousand, four hundred thirty-one".