11320123331 has 8 divisors (see below), whose sum is σ = 12374382528. Its totient is φ = 10270057000.

The previous prime is 11320123327. The next prime is 11320123361. The reversal of 11320123331 is 13332102311.

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 11320123331 - 2² = 11320123327 is a prime.

It is a super-2 number, since 2×11320123331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11320123361) 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, 1042565 + ... + 1053366.

It is an arithmetic number, because the mean of its divisors is an integer number (1546797816).

Almost surely, 2^11320123331 is an apocalyptic number.

11320123331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11320123331 is a deficient number, since it is larger than the sum of its proper divisors (1054259197).

11320123331 is a wasteful number, since it uses less digits than its factorization.

11320123331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2096433.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 11320123331 its reverse (13332102311), we get a palindrome (24652225642).

The spelling of 11320123331 in words is "eleven billion, three hundred twenty million, one hundred twenty-three thousand, three hundred thirty-one".