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BaseRepresentation
bin111101011100001111111
310210021202002
413223201333
51003411221
6111052515
723053466
oct7534177
93707662
102013311
1111556a3
1281113b
13556511
143a59dd
1529b80b
hex1eb87f

2013311 has 4 divisors (see below), whose sum is σ = 2051352. Its totient is φ = 1975272.

The previous prime is 2013307. The next prime is 2013313. The reversal of 2013311 is 1133102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1133102 = 2566551.

It is a cyclic number.

It is not a de Polignac number, because 2013311 - 22 = 2013307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2013292 and 2013301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013313) 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, 18941 + ... + 19046.

It is an arithmetic number, because the mean of its divisors is an integer number (512838).

22013311 is an apocalyptic number.

2013311 is a deficient number, since it is larger than the sum of its proper divisors (38041).

2013311 is an equidigital number, since it uses as much as digits as its factorization.

2013311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38040.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 2013311 is about 1418.9119070612. The cubic root of 2013311 is about 126.2710006564.

Adding to 2013311 its reverse (1133102), we get a palindrome (3146413).

It can be divided in two parts, 20 and 13311, that added together give a palindrome (13331).

The spelling of 2013311 in words is "two million, thirteen thousand, three hundred eleven".

Divisors: 1 53 37987 2013311