22103200031 has 32 divisors (see below), whose sum is σ = 25661491200. Its totient is φ = 18839731680.

The previous prime is 22103200027. The next prime is 22103200037. The reversal of 22103200031 is 13000230122.

It is a happy number.

It is not a de Polignac number, because 22103200031 - 2² = 22103200027 is a prime.

It is a super-2 number, since 2×22103200031² (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 = 22103199979 and 22103200015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22103200037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5655380 + ... + 5659286.

It is an arithmetic number, because the mean of its divisors is an integer number (801921600).

Almost surely, 2^22103200031 is an apocalyptic number.

22103200031 is a deficient number, since it is larger than the sum of its proper divisors (3558291169).

22103200031 is a wasteful number, since it uses less digits than its factorization.

22103200031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4379.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 22103200031 its reverse (13000230122), we get a palindrome (35103430153).

The spelling of 22103200031 in words is "twenty-two billion, one hundred three million, two hundred thousand, thirty-one".