Search a number
-
+
200321222231 = 13241367174221
BaseRepresentation
bin1011101010010000010…
…0110100011001010111
3201011001201201110120002
42322210010310121113
511240224213102411
6232005403001515
720321101202654
oct2724404643127
9634051643502
10200321222231
1177a57120219
12329a720929b
1315b75a3a7c0
1499a4a1ac2b
15532677633b
hex2ea4134657

200321222231 has 16 divisors (see below), whose sum is σ = 217217202048. Its totient is φ = 183641817600.

The previous prime is 200321222221. The next prime is 200321222249. The reversal of 200321222231 is 132222123002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 200321222231 - 218 = 200320960087 is a prime.

It is a super-2 number, since 2×2003212222312 (a number of 23 digits) 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 (200321222221) 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, 1062701 + ... + 1236921.

It is an arithmetic number, because the mean of its divisors is an integer number (13576075128).

Almost surely, 2200321222231 is an apocalyptic number.

200321222231 is a deficient number, since it is larger than the sum of its proper divisors (16895979817).

200321222231 is a wasteful number, since it uses less digits than its factorization.

200321222231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174842.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 200321222231 its reverse (132222123002), we get a palindrome (332543345233).

The spelling of 200321222231 in words is "two hundred billion, three hundred twenty-one million, two hundred twenty-two thousand, two hundred thirty-one".

Divisors: 1 13 241 367 3133 4771 88447 174221 1149811 2264873 41987261 63939107 545834393 831208391 15409324787 200321222231