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2023231201221 = 31153095848723
BaseRepresentation
bin11101011100010001111…
…110100001111111000101
321011102022110110011000010
4131130101332201333011
5231122034141414341
64145243134140433
7266113361312466
oct35342176417705
97142273404003
102023231201221
117100582a413a
12288148051719
13118a364b3499
146dcd3d62d6d
153796775b716
hex1d711fa1fc5

2023231201221 has 8 divisors (see below), whose sum is σ = 2697665457760. Its totient is φ = 1348808872752.

The previous prime is 2023231201217. The next prime is 2023231201231. The reversal of 2023231201221 is 1221021323202.

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

It is not a de Polignac number, because 2023231201221 - 22 = 2023231201217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023231201231) 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, 2578435 + ... + 3270288.

It is an arithmetic number, because the mean of its divisors is an integer number (337208182220).

Almost surely, 22023231201221 is an apocalyptic number.

It is an amenable number.

2023231201221 is a deficient number, since it is larger than the sum of its proper divisors (674434256539).

2023231201221 is a wasteful number, since it uses less digits than its factorization.

2023231201221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5964035.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2023231201221 its reverse (1221021323202), we get a palindrome (3244252524423).

The spelling of 2023231201221 in words is "two trillion, twenty-three billion, two hundred thirty-one million, two hundred one thousand, two hundred twenty-one".

Divisors: 1 3 115309 345927 5848723 17546169 674410400407 2023231201221