22031232113 has 8 divisors (see below), whose sum is σ = 24076767456. Its totient is φ = 19992812800.

The previous prime is 22031232109. The next prime is 22031232137. The reversal of 22031232113 is 31123213022.

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 22031232113 - 2² = 22031232109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22031232193) 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, 1772528 + ... + 1784913.

It is an arithmetic number, because the mean of its divisors is an integer number (3009595932).

Almost surely, 2^22031232113 is an apocalyptic number.

It is an amenable number.

22031232113 is a deficient number, since it is larger than the sum of its proper divisors (2045535343).

22031232113 is a wasteful number, since it uses less digits than its factorization.

22031232113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3558015.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22031232113 its reverse (31123213022), we get a palindrome (53154445135).

The spelling of 22031232113 in words is "twenty-two billion, thirty-one million, two hundred thirty-two thousand, one hundred thirteen".