11132313213 has 16 divisors (see below), whose sum is σ = 17023902336. Its totient is φ = 6338680320.

The previous prime is 11132313113. The next prime is 11132313253. The reversal of 11132313213 is 31231323111.

It is a happy number.

It is not a de Polignac number, because 11132313213 - 2¹⁰ = 11132312189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 11132313213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11132313253) 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, 937356 + ... + 949157.

It is an arithmetic number, because the mean of its divisors is an integer number (1063993896).

Almost surely, 2^11132313213 is an apocalyptic number.

It is an amenable number.

11132313213 is a deficient number, since it is larger than the sum of its proper divisors (5891589123).

11132313213 is a wasteful number, since it uses less digits than its factorization.

11132313213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886804.

The product of its digits is 324, while the sum is 21.

Adding to 11132313213 its reverse (31231323111), we get a palindrome (42363636324).

The spelling of 11132313213 in words is "eleven billion, one hundred thirty-two million, three hundred thirteen thousand, two hundred thirteen".