224243213431 has 16 divisors (see below), whose sum is σ = 233613020160. Its totient is φ = 215117828640.

The previous prime is 224243213377. The next prime is 224243213443. The reversal of 224243213431 is 134312342422.

It is a cyclic number.

It is not a de Polignac number, because 224243213431 - 2¹¹ = 224243211383 is a prime.

It is a super-2 number, since 2×224243213431² (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 = 224243213393 and 224243213402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224243213461) 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, 171276 + ... + 691246.

It is an arithmetic number, because the mean of its divisors is an integer number (14600813760).

Almost surely, 2^224243213431 is an apocalyptic number.

224243213431 is a deficient number, since it is larger than the sum of its proper divisors (9369806729).

224243213431 is a wasteful number, since it uses less digits than its factorization.

224243213431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520206.

The product of its digits is 27648, while the sum is 31.

Adding to 224243213431 its reverse (134312342422), we get a palindrome (358555555853).

The spelling of 224243213431 in words is "two hundred twenty-four billion, two hundred forty-three million, two hundred thirteen thousand, four hundred thirty-one".