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112320031 = 1095691811
BaseRepresentation
bin1101011000111…
…01111000011111
321211100110010011
412230131320133
5212223220111
615051224051
72532463435
oct654357037
9254313104
10112320031
115844677a
1231748027
131a368375
1410cbad55
159cda021
hex6b1de1f

112320031 has 8 divisors (see below), whose sum is σ = 113612400. Its totient is φ = 111032640.

The previous prime is 112320029. The next prime is 112320041. The reversal of 112320031 is 130023211.

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 112320031 - 21 = 112320029 is a prime.

It is a super-2 number, since 2×1123200312 = 25231578727681922, 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 = 112319993 and 112320020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112320041) 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 7 ways as a sum of consecutive naturals, for example, 61116 + ... + 62926.

It is an arithmetic number, because the mean of its divisors is an integer number (14201550).

Almost surely, 2112320031 is an apocalyptic number.

112320031 is a deficient number, since it is larger than the sum of its proper divisors (1292369).

112320031 is a wasteful number, since it uses less digits than its factorization.

112320031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2489.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 112320031 is about 10598.1145021178. The cubic root of 112320031 is about 482.4871354190.

Adding to 112320031 its reverse (130023211), we get a palindrome (242343242).

The spelling of 112320031 in words is "one hundred twelve million, three hundred twenty thousand, thirty-one".

Divisors: 1 109 569 1811 62021 197399 1030459 112320031