11233323231 has 16 divisors (see below), whose sum is σ = 16403291520. Its totient is φ = 6795646560.

The previous prime is 11233323221. The next prime is 11233323251. The reversal of 11233323231 is 13232333211.

It is not a de Polignac number, because 11233323231 - 2¹⁰ = 11233322207 is a prime.

It is a super-2 number, since 2×11233323231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11233323221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2438665 + ... + 2443266.

It is an arithmetic number, because the mean of its divisors is an integer number (1025205720).

Almost surely, 2^11233323231 is an apocalyptic number.

11233323231 is a deficient number, since it is larger than the sum of its proper divisors (5169968289).

11233323231 is a wasteful number, since it uses less digits than its factorization.

11233323231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4882006.

The product of its digits is 1944, while the sum is 24.

Adding to 11233323231 its reverse (13232333211), we get a palindrome (24465656442).

The spelling of 11233323231 in words is "eleven billion, two hundred thirty-three million, three hundred twenty-three thousand, two hundred thirty-one".