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112331221 = 535935923
BaseRepresentation
bin1101011001000…
…00100111010101
321211101000110121
412230200213111
5212224044341
615051351541
72532541162
oct654404725
9254330417
10112331221
1158454122
12317525b1
131a3704a2
1410cc1069
159cdd4d1
hex6b209d5

112331221 has 8 divisors (see below), whose sum is σ = 116393760. Its totient is φ = 108340752.

The previous prime is 112331207. The next prime is 112331227. The reversal of 112331221 is 122133211.

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 112331221 - 29 = 112330709 is a prime.

It is a super-2 number, since 2×1123312212 = 25236606422701682, 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 = 112331195 and 112331204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112331227) 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 7 ways as a sum of consecutive naturals, for example, 14835 + ... + 21088.

It is an arithmetic number, because the mean of its divisors is an integer number (14549220).

Almost surely, 2112331221 is an apocalyptic number.

It is an amenable number.

112331221 is a deficient number, since it is larger than the sum of its proper divisors (4062539).

112331221 is an equidigital number, since it uses as much as digits as its factorization.

112331221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36035.

The product of its digits is 72, while the sum is 16.

The square root of 112331221 is about 10598.6424130640. The cubic root of 112331221 is about 482.5031576480.

Adding to 112331221 its reverse (122133211), we get a palindrome (234464432).

The spelling of 112331221 in words is "one hundred twelve million, three hundred thirty-one thousand, two hundred twenty-one".

Divisors: 1 53 59 3127 35923 1903919 2119457 112331221