11003204131 has 4 divisors (see below), whose sum is σ = 11008030264. Its totient is φ = 10998378000.

The previous prime is 11003204089. The next prime is 11003204141. The reversal of 11003204131 is 13140230011.

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 11003204131 - 2¹³ = 11003195939 is a prime.

It is a super-2 number, since 2×11003204131² (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 (11003204141) 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, 2409645 + ... + 2414206.

It is an arithmetic number, because the mean of its divisors is an integer number (2752007566).

Almost surely, 2^11003204131 is an apocalyptic number.

11003204131 is a deficient number, since it is larger than the sum of its proper divisors (4826133).

11003204131 is an equidigital number, since it uses as much as digits as its factorization.

11003204131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4826132.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11003204131 its reverse (13140230011), we get a palindrome (24143434142).

The spelling of 11003204131 in words is "eleven billion, three million, two hundred four thousand, one hundred thirty-one".