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113124331 = 293900839
BaseRepresentation
bin1101011111000…
…10001111101011
321212212022102001
412233202033223
5212424434311
615120351431
72542353355
oct657421753
9255768361
10113124331
1158945a91
1231a75577
131a58a498
141104a0d5
159de84c1
hex6be23eb

113124331 has 4 divisors (see below), whose sum is σ = 117025200. Its totient is φ = 109223464.

The previous prime is 113124293. The next prime is 113124337. The reversal of 113124331 is 133421311.

113124331 is nontrivially palindromic in base 2.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113124331 - 217 = 112993259 is a prime.

It is a super-2 number, since 2×1131243312 = 25594228528395122, 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 = 113124299 and 113124308.

It is not an unprimeable number, because it can be changed into a prime (113124337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1950391 + ... + 1950448.

It is an arithmetic number, because the mean of its divisors is an integer number (29256300).

Almost surely, 2113124331 is an apocalyptic number.

113124331 is a deficient number, since it is larger than the sum of its proper divisors (3900869).

113124331 is an equidigital number, since it uses as much as digits as its factorization.

113124331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3900868.

The product of its digits is 216, while the sum is 19.

The square root of 113124331 is about 10635.9922433217. The cubic root of 113124331 is about 483.6360601615.

Adding to 113124331 its reverse (133421311), we get a palindrome (246545642).

The spelling of 113124331 in words is "one hundred thirteen million, one hundred twenty-four thousand, three hundred thirty-one".

Divisors: 1 29 3900839 113124331