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2013324231 = 321110333079
BaseRepresentation
bin111100000000000…
…1110001111000111
312012022102110122010
41320000032033013
513110402333411
6531440305303
7100614654642
oct17000161707
95168373563
102013324231
11943518326
12482312233
13261161019
14151566a59
15bbb457a6
hex7800e3c7

2013324231 has 16 divisors (see below), whose sum is σ = 2700642560. Its totient is φ = 1334128320.

The previous prime is 2013324221. The next prime is 2013324239. The reversal of 2013324231 is 1324233102.

It is not a de Polignac number, because 2013324231 - 223 = 2004935623 is a prime.

It is a super-2 number, since 2×20133242312 = 8106948918263482722, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 2013324198 and 2013324207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013324239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 652350 + ... + 655428.

It is an arithmetic number, because the mean of its divisors is an integer number (168790160).

Almost surely, 22013324231 is an apocalyptic number.

2013324231 is a deficient number, since it is larger than the sum of its proper divisors (687318329).

2013324231 is a wasteful number, since it uses less digits than its factorization.

2013324231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4326.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2013324231 is about 44870.0816914790. The cubic root of 2013324231 is about 1262.7127726347.

Adding to 2013324231 its reverse (1324233102), we get a palindrome (3337557333).

The spelling of 2013324231 in words is "two billion, thirteen million, three hundred twenty-four thousand, two hundred thirty-one".

Divisors: 1 3 211 633 1033 3079 3099 9237 217963 649669 653889 1949007 3180607 9541821 671108077 2013324231