22113300031 has 4 divisors (see below), whose sum is σ = 22236838200. Its totient is φ = 21989761864.

The previous prime is 22113300019. The next prime is 22113300179. The reversal of 22113300031 is 13000331122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22113300031 is a prime.

It is a super-2 number, since 2×22113300031² (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 = 22113299978 and 22113300014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22113300731) 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, 61768816 + ... + 61769173.

It is an arithmetic number, because the mean of its divisors is an integer number (5559209550).

Almost surely, 2^22113300031 is an apocalyptic number.

22113300031 is a deficient number, since it is larger than the sum of its proper divisors (123538169).

22113300031 is a wasteful number, since it uses less digits than its factorization.

22113300031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123538168.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 22113300031 its reverse (13000331122), we get a palindrome (35113631153).

The spelling of 22113300031 in words is "twenty-two billion, one hundred thirteen million, three hundred thousand, thirty-one".