11303122231 has 8 divisors (see below), whose sum is σ = 12488360544. Its totient is φ = 10175700480.

The previous prime is 11303122219. The next prime is 11303122247. The reversal of 11303122231 is 13222130311.

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

It is not a de Polignac number, because 11303122231 - 2⁵ = 11303122199 is a prime.

It is a super-2 number, since 2×11303122231² (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 = 11303122199 and 11303122208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11303122531) 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, 14453730 + ... + 14454511.

It is an arithmetic number, because the mean of its divisors is an integer number (1561045068).

Almost surely, 2^11303122231 is an apocalyptic number.

11303122231 is a deficient number, since it is larger than the sum of its proper divisors (1185238313).

11303122231 is a wasteful number, since it uses less digits than its factorization.

11303122231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28908281.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11303122231 its reverse (13222130311), we get a palindrome (24525252542).

The spelling of 11303122231 in words is "eleven billion, three hundred three million, one hundred twenty-two thousand, two hundred thirty-one".