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112323231131 = 1091030488359
BaseRepresentation
bin110100010011011111…
…1000111110110011011
3101201220222222100100112
41220212333013312123
53320014221344011
6123333420354535
711054321466026
oct1504677076633
9351828870315
10112323231131
11436aa599041
12199289a5a4b
13a790917097
14561797c1bd
152dc605758b
hex1a26fc7d9b

112323231131 has 4 divisors (see below), whose sum is σ = 113353719600. Its totient is φ = 111292742664.

The previous prime is 112323231001. The next prime is 112323231169. The reversal of 112323231131 is 131132323211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-112323231131 is a prime.

It is a super-2 number, since 2×1123232311312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112323231097 and 112323231106.

It is not an unprimeable number, because it can be changed into a prime (112323231731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 515244071 + ... + 515244288.

It is an arithmetic number, because the mean of its divisors is an integer number (28338429900).

Almost surely, 2112323231131 is an apocalyptic number.

112323231131 is a deficient number, since it is larger than the sum of its proper divisors (1030488469).

112323231131 is a wasteful number, since it uses less digits than its factorization.

112323231131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030488468.

The product of its digits is 648, while the sum is 23.

Adding to 112323231131 its reverse (131132323211), we get a palindrome (243455554342).

The spelling of 112323231131 in words is "one hundred twelve billion, three hundred twenty-three million, two hundred thirty-one thousand, one hundred thirty-one".

Divisors: 1 109 1030488359 112323231131