11131301323 has 4 divisors (see below), whose sum is σ = 11136497728. Its totient is φ = 11126104920.

The previous prime is 11131301303. The next prime is 11131301351. The reversal of 11131301323 is 32310313111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32310313111 = 149 ⋅216847739.

It is a cyclic number.

It is not a de Polignac number, because 11131301323 - 2²¹ = 11129204171 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11131301323.

It is not an unprimeable number, because it can be changed into a prime (11131301303) 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, 2594988 + ... + 2599273.

It is an arithmetic number, because the mean of its divisors is an integer number (2784124432).

Almost surely, 2^11131301323 is an apocalyptic number.

11131301323 is a deficient number, since it is larger than the sum of its proper divisors (5196405).

11131301323 is an equidigital number, since it uses as much as digits as its factorization.

11131301323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5196404.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 11131301323 its reverse (32310313111), we get a palindrome (43441614434).

The spelling of 11131301323 in words is "eleven billion, one hundred thirty-one million, three hundred one thousand, three hundred twenty-three".