22103231131 has 4 divisors (see below), whose sum is σ = 22317825712. Its totient is φ = 21888636552.

The previous prime is 22103231113. The next prime is 22103231147. The reversal of 22103231131 is 13113230122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22103231131 - 2³³ = 13513296539 is a prime.

It is a super-2 number, since 2×22103231131² (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 = 22103231099 and 22103231108.

It is not an unprimeable number, because it can be changed into a prime (22103231231) 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 3 ways as a sum of consecutive naturals, for example, 107297136 + ... + 107297341.

It is an arithmetic number, because the mean of its divisors is an integer number (5579456428).

Almost surely, 2^22103231131 is an apocalyptic number.

22103231131 is a deficient number, since it is larger than the sum of its proper divisors (214594581).

22103231131 is a wasteful number, since it uses less digits than its factorization.

22103231131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214594580.

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

Adding to 22103231131 its reverse (13113230122), we get a palindrome (35216461253).

The spelling of 22103231131 in words is "twenty-two billion, one hundred three million, two hundred thirty-one thousand, one hundred thirty-one".