11131032013 has 16 divisors (see below), whose sum is σ = 11932583040. Its totient is φ = 10346582016.

The previous prime is 11131031983. The next prime is 11131032023. The reversal of 11131032013 is 31023013111.

It is a cyclic number.

It is not a de Polignac number, because 11131032013 - 2¹⁷ = 11130900941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131032023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 443856 + ... + 468262.

It is an arithmetic number, because the mean of its divisors is an integer number (745786440).

Almost surely, 2^11131032013 is an apocalyptic number.

It is an amenable number.

11131032013 is a deficient number, since it is larger than the sum of its proper divisors (801551027).

11131032013 is a wasteful number, since it uses less digits than its factorization.

11131032013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24756.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 11131032013 its reverse (31023013111), we get a palindrome (42154045124).

The spelling of 11131032013 in words is "eleven billion, one hundred thirty-one million, thirty-two thousand, thirteen".