11305340131 has 4 divisors (see below), whose sum is σ = 11306537064. Its totient is φ = 11304143200.

The previous prime is 11305340117. The next prime is 11305340171. The reversal of 11305340131 is 13104350311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11305340131 - 2⁵ = 11305340099 is a prime.

It is a super-2 number, since 2×11305340131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11305340171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 584185 + ... + 603226.

It is an arithmetic number, because the mean of its divisors is an integer number (2826634266).

Almost surely, 2^11305340131 is an apocalyptic number.

11305340131 is a deficient number, since it is larger than the sum of its proper divisors (1196933).

11305340131 is an equidigital number, since it uses as much as digits as its factorization.

11305340131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196932.

The product of its (nonzero) digits is 540, while the sum is 22.

Adding to 11305340131 its reverse (13104350311), we get a palindrome (24409690442).

The spelling of 11305340131 in words is "eleven billion, three hundred five million, three hundred forty thousand, one hundred thirty-one".