11331313123 has 8 divisors (see below), whose sum is σ = 12205047008. Its totient is φ = 10457878464.

The previous prime is 11331313121. The next prime is 11331313139. The reversal of 11331313123 is 32131313311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11331313123 - 2¹ = 11331313121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11331313094 and 11331313103.

It is not an unprimeable number, because it can be changed into a prime (11331313121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7186 + ... + 150712.

It is an arithmetic number, because the mean of its divisors is an integer number (1525630876).

Almost surely, 2^11331313123 is an apocalyptic number.

11331313123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11331313123 is a deficient number, since it is larger than the sum of its proper divisors (873733885).

11331313123 is a wasteful number, since it uses less digits than its factorization.

11331313123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149613.

The product of its digits is 486, while the sum is 22.

Adding to 11331313123 its reverse (32131313311), we get a palindrome (43462626434).

The spelling of 11331313123 in words is "eleven billion, three hundred thirty-one million, three hundred thirteen thousand, one hundred twenty-three".