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112731313 = 196139679
BaseRepresentation
bin1101011100000…
…10010010110001
321212010100021211
412232002102301
5212324400223
615104120121
72536125502
oct656022261
9255110254
10112731313
11586a7782
1231906041
131a480626
1410d86ba9
159d6bd0d
hex6b824b1

112731313 has 8 divisors (see below), whose sum is σ = 118870400. Its totient is φ = 106612848.

The previous prime is 112731271. The next prime is 112731317. The reversal of 112731313 is 313137211.

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-112731313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112731317) 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, 6808 + ... + 16486.

It is an arithmetic number, because the mean of its divisors is an integer number (14858800).

Almost surely, 2112731313 is an apocalyptic number.

It is an amenable number.

112731313 is a deficient number, since it is larger than the sum of its proper divisors (6139087).

112731313 is an equidigital number, since it uses as much as digits as its factorization.

112731313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10311.

The product of its digits is 378, while the sum is 22.

The square root of 112731313 is about 10617.5003178714. The cubic root of 112731313 is about 483.0753254233.

Adding to 112731313 its reverse (313137211), we get a palindrome (425868524).

The spelling of 112731313 in words is "one hundred twelve million, seven hundred thirty-one thousand, three hundred thirteen".

Divisors: 1 19 613 9679 11647 183901 5933227 112731313