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2131333 = 10719919
BaseRepresentation
bin1000001000010110000101
311000021122021
420020112011
51021200313
6113403141
724054541
oct10102605
94007567
102131333
111226336
128694b1
13598159
143d6a21
152c178d
hex208585

2131333 has 4 divisors (see below), whose sum is σ = 2151360. Its totient is φ = 2111308.

The previous prime is 2131321. The next prime is 2131361. The reversal of 2131333 is 3331312.

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 2131333 - 213 = 2123141 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 (2131373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9853 + ... + 10066.

It is an arithmetic number, because the mean of its divisors is an integer number (537840).

22131333 is an apocalyptic number.

It is an amenable number.

2131333 is a deficient number, since it is larger than the sum of its proper divisors (20027).

2131333 is a wasteful number, since it uses less digits than its factorization.

2131333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20026.

The product of its digits is 162, while the sum is 16.

The square root of 2131333 is about 1459.9085587803. The cubic root of 2131333 is about 128.6916699360.

Adding to 2131333 its reverse (3331312), we get a palindrome (5462645).

The spelling of 2131333 in words is "two million, one hundred thirty-one thousand, three hundred thirty-three".

Divisors: 1 107 19919 2131333