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113321213 = 318394357
BaseRepresentation
bin1101100000100…
…10010011111101
321220020022110222
412300102103331
5213002234323
615124511125
72544133355
oct660222375
9256208428
10113321213
1158a6a9a5
1231b4b4a5
131a628c95
141109bb65
159e369c8
hex6c124fd

113321213 has 8 divisors (see below), whose sum is σ = 117143040. Its totient is φ = 109509840.

The previous prime is 113321209. The next prime is 113321227. The reversal of 113321213 is 312123311.

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

It is a cyclic number.

It is not a de Polignac number, because 113321213 - 22 = 113321209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113321191 and 113321200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113321233) 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, 23831 + ... + 28187.

It is an arithmetic number, because the mean of its divisors is an integer number (14642880).

Almost surely, 2113321213 is an apocalyptic number.

It is an amenable number.

113321213 is a deficient number, since it is larger than the sum of its proper divisors (3821827).

113321213 is an equidigital number, since it uses as much as digits as its factorization.

113321213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5227.

The product of its digits is 108, while the sum is 17.

The square root of 113321213 is about 10645.2436796909. The cubic root of 113321213 is about 483.9164715382.

Adding to 113321213 its reverse (312123311), we get a palindrome (425444524).

The spelling of 113321213 in words is "one hundred thirteen million, three hundred twenty-one thousand, two hundred thirteen".

Divisors: 1 31 839 4357 26009 135067 3655523 113321213