22103112031 has 24 divisors (see below), whose sum is σ = 30206859984. Its totient is φ = 15898337280.

The previous prime is 22103112019. The next prime is 22103112041. The reversal of 22103112031 is 13021130122.

It is not a de Polignac number, because 22103112031 - 2⁷ = 22103111903 is a prime.

It is a super-2 number, since 2×22103112031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22103111996 and 22103112014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22103112041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1570210 + ... + 1584223.

It is an arithmetic number, because the mean of its divisors is an integer number (1258619166).

Almost surely, 2^22103112031 is an apocalyptic number.

22103112031 is a deficient number, since it is larger than the sum of its proper divisors (8103747953).

22103112031 is a wasteful number, since it uses less digits than its factorization.

22103112031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3154471 (or 3154464 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 22103112031 its reverse (13021130122), we get a palindrome (35124242153).

The spelling of 22103112031 in words is "twenty-two billion, one hundred three million, one hundred twelve thousand, thirty-one".