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2003211311 = 97104919687
BaseRepresentation
bin111011101100110…
…1001010000101111
312011121101200022112
41313121221100233
513100310230221
6530435434235
7100433005133
oct16731512057
95147350275
102003211311
11938840342
1247aa5597b
1325c02cc4a
141500933c3
15bace915b
hex7766942f

2003211311 has 8 divisors (see below), whose sum is σ = 2025895200. Its totient is φ = 1980569088.

The previous prime is 2003211293. The next prime is 2003211317. The reversal of 2003211311 is 1131123002.

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 2003211311 - 214 = 2003194927 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 (2003211317) 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, 91910 + ... + 111596.

It is an arithmetic number, because the mean of its divisors is an integer number (253236900).

Almost surely, 22003211311 is an apocalyptic number.

2003211311 is a deficient number, since it is larger than the sum of its proper divisors (22683889).

2003211311 is a wasteful number, since it uses less digits than its factorization.

2003211311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20833.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2003211311 is about 44757.2486978366. The cubic root of 2003211311 is about 1260.5950223554.

Adding to 2003211311 its reverse (1131123002), we get a palindrome (3134334313).

The spelling of 2003211311 in words is "two billion, three million, two hundred eleven thousand, three hundred eleven".

Divisors: 1 97 1049 19687 101753 1909639 20651663 2003211311