22031131203 has 12 divisors (see below), whose sum is σ = 31859802520. Its totient is φ = 14670317376.

The previous prime is 22031131189. The next prime is 22031131253. The reversal of 22031131203 is 30213113022.

It is not a de Polignac number, because 22031131203 - 2²⁴ = 22014353987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22031131253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1417126 + ... + 1432587.

Almost surely, 2^22031131203 is an apocalyptic number.

22031131203 is a deficient number, since it is larger than the sum of its proper divisors (9828671317).

22031131203 is a wasteful number, since it uses less digits than its factorization.

22031131203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850578 (or 2850575 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 22031131203 its reverse (30213113022), we get a palindrome (52244244225).

The spelling of 22031131203 in words is "twenty-two billion, thirty-one million, one hundred thirty-one thousand, two hundred three".