22031213203 has 8 divisors (see below), whose sum is σ = 23990432400. Its totient is φ = 20151962208.

The previous prime is 22031213177. The next prime is 22031213213. The reversal of 22031213203 is 30231213022.

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 22031213203 - 2³³ = 13441278611 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22031213213) 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, 19991476 + ... + 19992577.

It is an arithmetic number, because the mean of its divisors is an integer number (2998804050).

Almost surely, 2^22031213203 is an apocalyptic number.

22031213203 is a deficient number, since it is larger than the sum of its proper divisors (1959219197).

22031213203 is a wasteful number, since it uses less digits than its factorization.

22031213203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39984101.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 22031213203 its reverse (30231213022), we get a palindrome (52262426225).

The spelling of 22031213203 in words is "twenty-two billion, thirty-one million, two hundred thirteen thousand, two hundred three".