11322420231 has 16 divisors (see below), whose sum is σ = 15676627680. Its totient is φ = 7263290880.

The previous prime is 11322420203. The next prime is 11322420247. The reversal of 11322420231 is 13202422311.

11322420231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11322420231 - 2⁵ = 11322420199 is a prime.

It is a super-2 number, since 2×11322420231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11322420198 and 11322420207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11322420251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 621516 + ... + 639473.

It is an arithmetic number, because the mean of its divisors is an integer number (979789230).

Almost surely, 2^11322420231 is an apocalyptic number.

11322420231 is a deficient number, since it is larger than the sum of its proper divisors (4354207449).

11322420231 is a wasteful number, since it uses less digits than its factorization.

11322420231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261106.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 11322420231 its reverse (13202422311), we get a palindrome (24524842542).

The spelling of 11322420231 in words is "eleven billion, three hundred twenty-two million, four hundred twenty thousand, two hundred thirty-one".