22103131323 has 32 divisors (see below), whose sum is σ = 36288000000. Its totient is φ = 11653589376.

The previous prime is 22103131279. The next prime is 22103131331. The reversal of 22103131323 is 32313130122.

It is not a de Polignac number, because 22103131323 - 2⁹ = 22103130811 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 22103131323.

It is not an unprimeable number, because it can be changed into a prime (22103131343) 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 31 ways as a sum of consecutive naturals, for example, 638053 + ... + 671801.

It is an arithmetic number, because the mean of its divisors is an integer number (1134000000).

Almost surely, 2^22103131323 is an apocalyptic number.

22103131323 is a deficient number, since it is larger than the sum of its proper divisors (14184868677).

22103131323 is a wasteful number, since it uses less digits than its factorization.

22103131323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36171.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 22103131323 its reverse (32313130122), we get a palindrome (54416261445).

The spelling of 22103131323 in words is "twenty-two billion, one hundred three million, one hundred thirty-one thousand, three hundred twenty-three".