22731546113 has 4 divisors (see below), whose sum is σ = 22956611028. Its totient is φ = 22506481200.

The previous prime is 22731546109. The next prime is 22731546119. The reversal of 22731546113 is 31164513722.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31164513722 = 2 ⋅15582256861.

It can be written as a sum of positive squares in 2 ways, for example, as 19234361344 + 3497184769 = 138688^2 + 59137^2 .

It is a cyclic number.

It is not a de Polignac number, because 22731546113 - 2² = 22731546109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22731546119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112532306 + ... + 112532507.

It is an arithmetic number, because the mean of its divisors is an integer number (5739152757).

Almost surely, 2^22731546113 is an apocalyptic number.

It is an amenable number.

22731546113 is a deficient number, since it is larger than the sum of its proper divisors (225064915).

22731546113 is a wasteful number, since it uses less digits than its factorization.

22731546113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225064914.

The product of its digits is 30240, while the sum is 35.

The spelling of 22731546113 in words is "twenty-two billion, seven hundred thirty-one million, five hundred forty-six thousand, one hundred thirteen".