Search a number
-
+
2200321231 = 9072425933
BaseRepresentation
bin1000001100100110…
…0011110011001111
312200100021220021221
42003021203303033
514001240234411
61002200304211
7105345264463
oct20311436317
95610256257
102200321231
11a2a0299a9
12514a72067
13290b14934
1416c3224a3
15cd282071
hex83263ccf

2200321231 has 4 divisors (see below), whose sum is σ = 2202748072. Its totient is φ = 2197894392.

The previous prime is 2200321219. The next prime is 2200321273. The reversal of 2200321231 is 1321230022.

2200321231 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 2200321231 - 25 = 2200321199 is a prime.

It is a super-2 number, since 2×22003212312 = 9682827039178710722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200321531) 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, 1212060 + ... + 1213873.

It is an arithmetic number, because the mean of its divisors is an integer number (550687018).

Almost surely, 22200321231 is an apocalyptic number.

2200321231 is a deficient number, since it is larger than the sum of its proper divisors (2426841).

2200321231 is an equidigital number, since it uses as much as digits as its factorization.

2200321231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426840.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2200321231 is about 46907.5818072089. The cubic root of 2200321231 is about 1300.6547453299.

Adding to 2200321231 its reverse (1321230022), we get a palindrome (3521551253).

It can be divided in two parts, 22003 and 21231, that added together give a palindrome (43234).

The spelling of 2200321231 in words is "two billion, two hundred million, three hundred twenty-one thousand, two hundred thirty-one".

Divisors: 1 907 2425933 2200321231