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223112424431 = 1317162494187
BaseRepresentation
bin1100111111001010001…
…0010110101111101111
3210022220002101111102002
43033302202112233233
512123413240040211
6250255121322515
722055635213421
oct3176242265757
9708802344362
10223112424431
1186692168816
12372a7a9643b
1318068782070
14ab278b6811
155c0c59003b
hex33f2896bef

223112424431 has 4 divisors (see below), whose sum is σ = 240274918632. Its totient is φ = 205949930232.

The previous prime is 223112424391. The next prime is 223112424463. The reversal of 223112424431 is 134424211322.

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 223112424431 - 226 = 223045315567 is a prime.

It is a super-3 number, since 3×2231124244313 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223112424394 and 223112424403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223112484431) 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, 8581247081 + ... + 8581247106.

It is an arithmetic number, because the mean of its divisors is an integer number (60068729658).

Almost surely, 2223112424431 is an apocalyptic number.

223112424431 is a deficient number, since it is larger than the sum of its proper divisors (17162494201).

223112424431 is a wasteful number, since it uses less digits than its factorization.

223112424431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17162494200.

The product of its digits is 9216, while the sum is 29.

Adding to 223112424431 its reverse (134424211322), we get a palindrome (357536635753).

The spelling of 223112424431 in words is "two hundred twenty-three billion, one hundred twelve million, four hundred twenty-four thousand, four hundred thirty-one".

Divisors: 1 13 17162494187 223112424431