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2313323231 = 11343946633
BaseRepresentation
bin1000100111100010…
…1000001011011111
312222012220222220012
42021320220023133
514214202320411
61021314313435
7111216631412
oct21170501337
95865828805
102313323231
11a878a0a8a
1254688887b
132ab35b51b
1417d339b79
15d815418b
hex89e282df

2313323231 has 8 divisors (see below), whose sum is σ = 2339161440. Its totient is φ = 2287579392.

The previous prime is 2313323219. The next prime is 2313323237. The reversal of 2313323231 is 1323233132.

2313323231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2313323231 is a prime.

It is a super-2 number, since 2×23133232312 = 10702928742168558722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2313323197 and 2313323206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2313323237) 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, 26291 + ... + 72923.

It is an arithmetic number, because the mean of its divisors is an integer number (292395180).

Almost surely, 22313323231 is an apocalyptic number.

2313323231 is a deficient number, since it is larger than the sum of its proper divisors (25838209).

2313323231 is a wasteful number, since it uses less digits than its factorization.

2313323231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47185.

The product of its digits is 1944, while the sum is 23.

The square root of 2313323231 is about 48097.0189408866. The cubic root of 2313323231 is about 1322.5500199181.

Adding to 2313323231 its reverse (1323233132), we get a palindrome (3636556363).

Subtracting from 2313323231 its reverse (1323233132), we obtain a palindrome (990090099).

It can be divided in two parts, 23133 and 23231, that added together give a palindrome (46364).

The spelling of 2313323231 in words is "two billion, three hundred thirteen million, three hundred twenty-three thousand, two hundred thirty-one".

Divisors: 1 113 439 46633 49607 5269529 20471887 2313323231