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112031013 = 337343671
BaseRepresentation
bin1101010110101…
…11010100100101
321210210202122210
412223113110211
5212134443023
615041114033
72530151013
oct653272445
9253722583
10112031013
1158269616
1231628919
131a296953
1410c438b3
159c7e593
hex6ad7525

112031013 has 4 divisors (see below), whose sum is σ = 149374688. Its totient is φ = 74687340.

The previous prime is 112031009. The next prime is 112031021. The reversal of 112031013 is 310130211.

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, and also an emirpimes, since its reverse is a distinct semiprime: 310130211 = 3103376737.

It is not a de Polignac number, because 112031013 - 22 = 112031009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112031013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112031053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18671833 + ... + 18671838.

It is an arithmetic number, because the mean of its divisors is an integer number (37343672).

Almost surely, 2112031013 is an apocalyptic number.

It is an amenable number.

112031013 is a deficient number, since it is larger than the sum of its proper divisors (37343675).

112031013 is an equidigital number, since it uses as much as digits as its factorization.

112031013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37343674.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 112031013 is about 10584.4703693666. The cubic root of 112031013 is about 482.0729402422.

Adding to 112031013 its reverse (310130211), we get a palindrome (422161224).

The spelling of 112031013 in words is "one hundred twelve million, thirty-one thousand, thirteen".

Divisors: 1 3 37343671 112031013