224020243231 has 4 divisors (see below), whose sum is σ = 226113890472. Its totient is φ = 221926595992.

The previous prime is 224020243207. The next prime is 224020243259. The reversal of 224020243231 is 132342020422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 224020243231 - 2³⁵ = 189660504863 is a prime.

It is a super-2 number, since 2×224020243231² (a number of 24 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 = 224020243196 and 224020243205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224020240231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1046823460 + ... + 1046823673.

It is an arithmetic number, because the mean of its divisors is an integer number (56528472618).

Almost surely, 2^224020243231 is an apocalyptic number.

224020243231 is a deficient number, since it is larger than the sum of its proper divisors (2093647241).

224020243231 is a wasteful number, since it uses less digits than its factorization.

224020243231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2093647240.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 224020243231 its reverse (132342020422), we get a palindrome (356362263653).

The spelling of 224020243231 in words is "two hundred twenty-four billion, twenty million, two hundred forty-three thousand, two hundred thirty-one".