22203231031031 has 16 divisors (see below), whose sum is σ = 23318780876160. Its totient is φ = 21116006277120.

The previous prime is 22203231031027. The next prime is 22203231031039. The reversal of 22203231031031 is 13013013230222.

It is a cyclic number.

It is not a de Polignac number, because 22203231031031 - 2² = 22203231031027 is a prime.

It is a super-2 number, since 2×22203231031031² (a number of 27 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 = 22203231030988 and 22203231031006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22203231031039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6964280 + ... + 9638861.

It is an arithmetic number, because the mean of its divisors is an integer number (1457423804760).

Almost surely, 2^{22203231031031} is an apocalyptic number.

22203231031031 is a deficient number, since it is larger than the sum of its proper divisors (1115549845129).

22203231031031 is a wasteful number, since it uses less digits than its factorization.

22203231031031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16603994.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 22203231031031 its reverse (13013013230222), we get a palindrome (35216244261253).

The spelling of 22203231031031 in words is "twenty-two trillion, two hundred three billion, two hundred thirty-one million, thirty-one thousand, thirty-one".