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2201322103231 = 27748463163981
BaseRepresentation
bin100000000010001001000…
…001011010000110111111
321210102222220220100010211
4200002021001122012333
5242031301424300411
64403135020213251
7315016546101316
oct40021101320677
97712886810124
102201322103231
11779636a36789
122b676a39a227
1312c77875a044
147878a3a727d
153c3dc55b221
hex2008905a1bf

2201322103231 has 8 divisors (see below), whose sum is σ = 2209328174144. Its totient is φ = 2193316457760.

The previous prime is 2201322103229. The next prime is 2201322103259. The reversal of 2201322103231 is 1323012231022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2201322103231 - 21 = 2201322103229 is a prime.

It is a super-2 number, since 2×22013221032312 (a number of 25 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 (2201322103031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13342261 + ... + 13506241.

It is an arithmetic number, because the mean of its divisors is an integer number (276166021768).

Almost surely, 22201322103231 is an apocalyptic number.

2201322103231 is a deficient number, since it is larger than the sum of its proper divisors (8006070913).

2201322103231 is a wasteful number, since it uses less digits than its factorization.

2201322103231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212721.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2201322103231 its reverse (1323012231022), we get a palindrome (3524334334253).

The spelling of 2201322103231 in words is "two trillion, two hundred one billion, three hundred twenty-two million, one hundred three thousand, two hundred thirty-one".

Divisors: 1 277 48463 163981 13424251 45422737 7947011203 2201322103231