1111023323131 has 4 divisors (see below), whose sum is σ = 1111050330264. Its totient is φ = 1110996316000.

The previous prime is 1111023323107. The next prime is 1111023323173. The reversal of 1111023323131 is 1313233201111.

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 1111023323131 - 2⁵ = 1111023323099 is a prime.

It is a super-2 number, since 2×1111023323131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111023327131) 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, 13441765 + ... + 13524166.

It is an arithmetic number, because the mean of its divisors is an integer number (277762582566).

Almost surely, 2^{1111023323131} is an apocalyptic number.

1111023323131 is a deficient number, since it is larger than the sum of its proper divisors (27007133).

1111023323131 is an equidigital number, since it uses as much as digits as its factorization.

1111023323131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27007132.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1111023323131 its reverse (1313233201111), we get a palindrome (2424256524242).

The spelling of 1111023323131 in words is "one trillion, one hundred eleven billion, twenty-three million, three hundred twenty-three thousand, one hundred thirty-one".