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2131401333 = 31741792183
BaseRepresentation
bin111111100001010…
…1001101001110101
312111112121101222010
41333002221221311
513331114320313
6551255154433
7103550420025
oct17702515165
95445541863
102131401333
119a4136406
124b5975a19
1327c763929
14163101a85
15c71bb4c3
hex7f0a9a75

2131401333 has 8 divisors (see below), whose sum is σ = 3009037248. Its totient is φ = 1337349824.

The previous prime is 2131401319. The next prime is 2131401379. The reversal of 2131401333 is 3331041312.

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 2131401333 - 25 = 2131401301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131401533) 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, 20896041 + ... + 20896142.

It is an arithmetic number, because the mean of its divisors is an integer number (376129656).

Almost surely, 22131401333 is an apocalyptic number.

It is an amenable number.

2131401333 is a deficient number, since it is larger than the sum of its proper divisors (877635915).

2131401333 is a wasteful number, since it uses less digits than its factorization.

2131401333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41792203.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 2131401333 is about 46167.1022807367. The cubic root of 2131401333 is about 1286.9304525592.

Adding to 2131401333 its reverse (3331041312), we get a palindrome (5462442645).

The spelling of 2131401333 in words is "two billion, one hundred thirty-one million, four hundred one thousand, three hundred thirty-three".

Divisors: 1 3 17 51 41792183 125376549 710467111 2131401333