11232313331 has 4 divisors (see below), whose sum is σ = 11306699664. Its totient is φ = 11157927000.

The previous prime is 11232313307. The next prime is 11232313333. The reversal of 11232313331 is 13331323211.

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 11232313331 - 2¹⁰ = 11232312307 is a prime.

It is a super-2 number, since 2×11232313331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11232313297 and 11232313306.

It is not an unprimeable number, because it can be changed into a prime (11232313333) 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, 37192940 + ... + 37193241.

It is an arithmetic number, because the mean of its divisors is an integer number (2826674916).

Almost surely, 2^11232313331 is an apocalyptic number.

11232313331 is a deficient number, since it is larger than the sum of its proper divisors (74386333).

11232313331 is an equidigital number, since it uses as much as digits as its factorization.

11232313331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74386332.

The product of its digits is 972, while the sum is 23.

Adding to 11232313331 its reverse (13331323211), we get a palindrome (24563636542).

The spelling of 11232313331 in words is "eleven billion, two hundred thirty-two million, three hundred thirteen thousand, three hundred thirty-one".