22103313131 has 8 divisors (see below), whose sum is σ = 22818392064. Its totient is φ = 21388363560.

The previous prime is 22103313049. The next prime is 22103313139. The reversal of 22103313131 is 13131330122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22103313131 - 2²² = 22099118827 is a prime.

It is a super-2 number, since 2×22103313131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

22103313131 is a modest number, since divided by 313131 gives 22103 as remainder.

It is not an unprimeable number, because it can be changed into a prime (22103313139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412046 + ... + 462588.

It is an arithmetic number, because the mean of its divisors is an integer number (2852299008).

Almost surely, 2^22103313131 is an apocalyptic number.

22103313131 is a deficient number, since it is larger than the sum of its proper divisors (715078933).

22103313131 is a wasteful number, since it uses less digits than its factorization.

22103313131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64681.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 22103313131 its reverse (13131330122), we get a palindrome (35234643253).

The spelling of 22103313131 in words is "twenty-two billion, one hundred three million, three hundred thirteen thousand, one hundred thirty-one".