22131042031243 has 8 divisors (see below), whose sum is σ = 22845034454400. Its totient is φ = 21417055098240.

The previous prime is 22131042031157. The next prime is 22131042031249. The reversal of 22131042031243 is 34213024013122.

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 22131042031243 - 2⁹ = 22131042030731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22131042031249) 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, 7790733 + ... + 10244881.

It is an arithmetic number, because the mean of its divisors is an integer number (2855629306800).

Almost surely, 2^{22131042031243} is an apocalyptic number.

22131042031243 is a deficient number, since it is larger than the sum of its proper divisors (713992423157).

22131042031243 is a wasteful number, since it uses less digits than its factorization.

22131042031243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2745077.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 22131042031243 its reverse (34213024013122), we get a palindrome (56344066044365).

The spelling of 22131042031243 in words is "twenty-two trillion, one hundred thirty-one billion, forty-two million, thirty-one thousand, two hundred forty-three".