22131231003 has 24 divisors (see below), whose sum is σ = 36538066656. Its totient is φ = 12645043200.

The previous prime is 22131230993. The next prime is 22131231119. The reversal of 22131231003 is 30013213122.

It is not a de Polignac number, because 22131231003 - 2⁶ = 22131230939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22131231803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 962683 + ... + 985403.

It is an arithmetic number, because the mean of its divisors is an integer number (1522419444).

Almost surely, 2^22131231003 is an apocalyptic number.

22131231003 is a deficient number, since it is larger than the sum of its proper divisors (14406835653).

22131231003 is a wasteful number, since it uses less digits than its factorization.

22131231003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38195 (or 38192 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 22131231003 its reverse (30013213122), we get a palindrome (52144444125).

The spelling of 22131231003 in words is "twenty-two billion, one hundred thirty-one million, two hundred thirty-one thousand, three".