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2133120313 = 18671142539
BaseRepresentation
bin111111100100100…
…1101010100111001
312111122211201222001
41333021031110321
513332034322223
6551400101001
7103601136442
oct17711152471
95448751861
102133120313
119a50aa955
124b6464761
1327cc1618c
1416342c2c9
15c740a9ad
hex7f24d539

2133120313 has 4 divisors (see below), whose sum is σ = 2134264720. Its totient is φ = 2131975908.

The previous prime is 2133120293. The next prime is 2133120331. The reversal of 2133120313 is 3130213312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2133120313 - 29 = 2133119801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2133120413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 569403 + ... + 573136.

It is an arithmetic number, because the mean of its divisors is an integer number (533566180).

Almost surely, 22133120313 is an apocalyptic number.

It is an amenable number.

2133120313 is a deficient number, since it is larger than the sum of its proper divisors (1144407).

2133120313 is a wasteful number, since it uses less digits than its factorization.

2133120313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144406.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 2133120313 is about 46185.7154648491. The cubic root of 2133120313 is about 1287.2763303666.

Adding to 2133120313 its reverse (3130213312), we get a palindrome (5263333625).

The spelling of 2133120313 in words is "two billion, one hundred thirty-three million, one hundred twenty thousand, three hundred thirteen".

Divisors: 1 1867 1142539 2133120313