22543022431031 has 8 divisors (see below), whose sum is σ = 23471423597328. Its totient is φ = 21632648472000.

The previous prime is 22543022431019. The next prime is 22543022431049. The reversal of 22543022431031 is 13013422034522.

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 22543022431031 - 2⁶ = 22543022430967 is a prime.

It is a super-2 number, since 2×22543022431031² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22543022431091) 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, 4506799265 + ... + 4506804266.

It is an arithmetic number, because the mean of its divisors is an integer number (2933927949666).

Almost surely, 2^{22543022431031} is an apocalyptic number.

22543022431031 is a deficient number, since it is larger than the sum of its proper divisors (928401166297).

22543022431031 is an equidigital number, since it uses as much as digits as its factorization.

22543022431031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9013603633.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 22543022431031 its reverse (13013422034522), we get a palindrome (35556444465553).

The spelling of 22543022431031 in words is "twenty-two trillion, five hundred forty-three billion, twenty-two million, four hundred thirty-one thousand, thirty-one".