11043204131 has 12 divisors (see below), whose sum is σ = 11752630488. Its totient is φ = 10374454272.

The previous prime is 11043204127. The next prime is 11043204167. The reversal of 11043204131 is 13140234011.

It is not a de Polignac number, because 11043204131 - 2² = 11043204127 is a prime.

It is a super-3 number, since 3×11043204131³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11043204191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123155 + ... + 193011.

It is an arithmetic number, because the mean of its divisors is an integer number (979385874).

Almost surely, 2^11043204131 is an apocalyptic number.

11043204131 is a deficient number, since it is larger than the sum of its proper divisors (709426357).

11043204131 is an equidigital number, since it uses as much as digits as its factorization.

11043204131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70438 (or 70421 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11043204131 its reverse (13140234011), we get a palindrome (24183438142).

The spelling of 11043204131 in words is "eleven billion, forty-three million, two hundred four thousand, one hundred thirty-one".