11131301331223 has 4 divisors (see below), whose sum is σ = 11132458080048. Its totient is φ = 11130144582400.

The previous prime is 11131301331133. The next prime is 11131301331247. The reversal of 11131301331223 is 32213310313111.

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 11131301331223 - 2⁹ = 11131301330711 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 (11131301332223) 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, 578359978 + ... + 578379223.

It is an arithmetic number, because the mean of its divisors is an integer number (2783114520012).

Almost surely, 2^{11131301331223} is an apocalyptic number.

11131301331223 is a deficient number, since it is larger than the sum of its proper divisors (1156748825).

11131301331223 is an equidigital number, since it uses as much as digits as its factorization.

11131301331223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156748824.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 11131301331223 its reverse (32213310313111), we get a palindrome (43344611644334).

The spelling of 11131301331223 in words is "eleven trillion, one hundred thirty-one billion, three hundred one million, three hundred thirty-one thousand, two hundred twenty-three".