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220223130031 = 239574918697
BaseRepresentation
bin1100110100011001010…
…0100100100110101111
3210001102201200010121101
43031012110210212233
512102004110130111
6245100305543531
721624222501532
oct3150624444657
9701381603541
10220223130031
118543a241103
1236820344ba7
13179c7cbc0c8
14a931c8aa19
155addab7bc1
hex33465249af

220223130031 has 4 divisors (see below), whose sum is σ = 229798048752. Its totient is φ = 210648211312.

The previous prime is 220223130013. The next prime is 220223130089. The reversal of 220223130031 is 130031322022.

220223130031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 220223130031 - 29 = 220223129519 is a prime.

It is a super-2 number, since 2×2202231300312 (a number of 23 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 = 220223129990 and 220223130008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220223130011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4787459326 + ... + 4787459371.

It is an arithmetic number, because the mean of its divisors is an integer number (57449512188).

Almost surely, 2220223130031 is an apocalyptic number.

220223130031 is a deficient number, since it is larger than the sum of its proper divisors (9574918721).

220223130031 is an equidigital number, since it uses as much as digits as its factorization.

220223130031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9574918720.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 220223130031 its reverse (130031322022), we get a palindrome (350254452053).

The spelling of 220223130031 in words is "two hundred twenty billion, two hundred twenty-three million, one hundred thirty thousand, thirty-one".

Divisors: 1 23 9574918697 220223130031