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3121133210201 = 79971258332369
BaseRepresentation
bin101101011010110010000…
…010010100101001011001
3102001101012010202221002202
4231122302002110221121
5402114040100211301
610345455004335545
7441331406361236
oct55326202245131
912041163687082
103121133210201
11aa3735369456
12424a912445b5
13198424725146
14ab0c694478d
15562c3e4066b
hex2d6b2094a59

3121133210201 has 16 divisors (see below), whose sum is σ = 3193577587200. Its totient is φ = 3049519269888.

The previous prime is 3121133210177. The next prime is 3121133210207. The reversal of 3121133210201 is 1020123311213.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3121133210201 - 214 = 3121133193817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3121133210207) 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 15 ways as a sum of consecutive naturals, for example, 96407345 + ... + 96439713.

It is an arithmetic number, because the mean of its divisors is an integer number (199598599200).

Almost surely, 23121133210201 is an apocalyptic number.

It is an amenable number.

3121133210201 is a deficient number, since it is larger than the sum of its proper divisors (72444376999).

3121133210201 is a wasteful number, since it uses less digits than its factorization.

3121133210201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45128.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 3121133210201 its reverse (1020123311213), we get a palindrome (4141256521414).

The spelling of 3121133210201 in words is "three trillion, one hundred twenty-one billion, one hundred thirty-three million, two hundred ten thousand, two hundred one".

Divisors: 1 79 97 7663 12583 32369 994057 1220551 2557151 3139793 96423529 248043647 407299127 32176631033 39508015319 3121133210201