11304431113427 has 2 divisors, whose sum is σ = 11304431113428. Its totient is φ = 11304431113426.

The previous prime is 11304431113403. The next prime is 11304431113439. The reversal of 11304431113427 is 72431113440311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11304431113427 is a prime.

It is a super-3 number, since 3×11304431113427³ (a number of 40 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (11304431113447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5652215556713 + 5652215556714.

It is an arithmetic number, because the mean of its divisors is an integer number (5652215556714).

Almost surely, 2^{11304431113427} is an apocalyptic number.

11304431113427 is a deficient number, since it is larger than the sum of its proper divisors (1).

11304431113427 is an equidigital number, since it uses as much as digits as its factorization.

11304431113427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

Adding to 11304431113427 its reverse (72431113440311), we get a palindrome (83735544553738).

The spelling of 11304431113427 in words is "eleven trillion, three hundred four billion, four hundred thirty-one million, one hundred thirteen thousand, four hundred twenty-seven".