11031423320 has 32 divisors (see below), whose sum is σ = 24823966320. Its totient is φ = 4411989120.

The previous prime is 11031423317. The next prime is 11031423379. The reversal of 11031423320 is 2332413011.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11031423292 and 11031423301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421415 + ... + 446825.

Almost surely, 2^11031423320 is an apocalyptic number.

11031423320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11031423320 is an abundant number, since it is smaller than the sum of its proper divisors (13792543000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11031423320 is a wasteful number, since it uses less digits than its factorization.

11031423320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36275 (or 36271 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 11031423320 its reverse (2332413011), we get a palindrome (13363836331).

The spelling of 11031423320 in words is "eleven billion, thirty-one million, four hundred twenty-three thousand, three hundred twenty".