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112331213 = 157171503
BaseRepresentation
bin1101011001000…
…00100111001101
321211101000110022
412230200213031
5212224044323
615051351525
72532541151
oct654404715
9254330408
10112331213
1158454115
12317525a5
131a370497
1410cc1061
159cdd4c8
hex6b209cd

112331213 has 4 divisors (see below), whose sum is σ = 112404288. Its totient is φ = 112258140.

The previous prime is 112331207. The next prime is 112331227. The reversal of 112331213 is 312133211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112331213 - 28 = 112330957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112331191 and 112331200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112331203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34181 + ... + 37322.

It is an arithmetic number, because the mean of its divisors is an integer number (28101072).

Almost surely, 2112331213 is an apocalyptic number.

It is an amenable number.

112331213 is a deficient number, since it is larger than the sum of its proper divisors (73075).

112331213 is an equidigital number, since it uses as much as digits as its factorization.

112331213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73074.

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

The square root of 112331213 is about 10598.6420356572. The cubic root of 112331213 is about 482.5031461937.

Adding to 112331213 its reverse (312133211), we get a palindrome (424464424).

The spelling of 112331213 in words is "one hundred twelve million, three hundred thirty-one thousand, two hundred thirteen".

Divisors: 1 1571 71503 112331213