11131313442223 has 4 divisors (see below), whose sum is σ = 11987568322408. Its totient is φ = 10275058562040.

The previous prime is 11131313442173. The next prime is 11131313442233. The reversal of 11131313442223 is 32224431313111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11131313442223 is a prime.

It is a super-2 number, since 2×11131313442223² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131313442233) 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, 428127440073 + ... + 428127440098.

It is an arithmetic number, because the mean of its divisors is an integer number (2996892080602).

Almost surely, 2^{11131313442223} is an apocalyptic number.

11131313442223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11131313442223 is a deficient number, since it is larger than the sum of its proper divisors (856254880185).

11131313442223 is an equidigital number, since it uses as much as digits as its factorization.

11131313442223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856254880184.

The product of its digits is 10368, while the sum is 31.

Adding to 11131313442223 its reverse (32224431313111), we get a palindrome (43355744755334).

The spelling of 11131313442223 in words is "eleven trillion, one hundred thirty-one billion, three hundred thirteen million, four hundred forty-two thousand, two hundred twenty-three".