11320132331 has 4 divisors (see below), whose sum is σ = 11320690200. Its totient is φ = 11319574464.

The previous prime is 11320132309. The next prime is 11320132361. The reversal of 11320132331 is 13323102311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13323102311 = 641 ⋅20784871.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11320132331 is a prime.

It is a super-2 number, since 2×11320132331² (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 (11320132301) 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, 247301 + ... + 289478.

It is an arithmetic number, because the mean of its divisors is an integer number (2830172550).

Almost surely, 2^11320132331 is an apocalyptic number.

11320132331 is a deficient number, since it is larger than the sum of its proper divisors (557869).

11320132331 is an equidigital number, since it uses as much as digits as its factorization.

11320132331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557868.

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

Adding to 11320132331 its reverse (13323102311), we get a palindrome (24643234642).

The spelling of 11320132331 in words is "eleven billion, three hundred twenty million, one hundred thirty-two thousand, three hundred thirty-one".