Search a number
-
+
200310031321 = 214999317179
BaseRepresentation
bin1011101010001101101…
…0001000001111011001
3201011000221122220111221
42322203122020033121
511240213332000241
6232004323052041
720320604113261
oct2724332101731
9634027586457
10200310031321
1177a50877334
12329a3511021
1315b7361cb6a
1499a33467a1
1553257b55d1
hex2ea36883d9

200310031321 has 4 divisors (see below), whose sum is σ = 200319370000. Its totient is φ = 200300692644.

The previous prime is 200310031283. The next prime is 200310031333. The reversal of 200310031321 is 123130013002.

200310031321 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 123130013002 = 261565006501.

It is a cyclic number.

It is not a de Polignac number, because 200310031321 - 211 = 200310029273 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200310031295 and 200310031304.

It is not an unprimeable number, because it can be changed into a prime (200310031121) 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, 4637091 + ... + 4680088.

It is an arithmetic number, because the mean of its divisors is an integer number (50079842500).

Almost surely, 2200310031321 is an apocalyptic number.

It is an amenable number.

200310031321 is a deficient number, since it is larger than the sum of its proper divisors (9338679).

200310031321 is an equidigital number, since it uses as much as digits as its factorization.

200310031321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9338678.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 200310031321 its reverse (123130013002), we get a palindrome (323440044323).

The spelling of 200310031321 in words is "two hundred billion, three hundred ten million, thirty-one thousand, three hundred twenty-one".

Divisors: 1 21499 9317179 200310031321