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112203131321 = 4312720546261
BaseRepresentation
bin110100001111111010…
…0111110100110111001
3101201121121222122101102
41220133310332212321
53314243000200241
6123313450301145
711051332610561
oct1503764764671
9351547878342
10112203131321
11436488192a6
12198b47277b5
13a771a868c8
145605a37da1
152dba73239b
hex1a1fd3e9b9

112203131321 has 8 divisors (see below), whose sum is σ = 115716547584. Its totient is φ = 108730807920.

The previous prime is 112203131311. The next prime is 112203131387. The reversal of 112203131321 is 123131302211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 112203131321 - 210 = 112203130297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112203131293 and 112203131302.

It is not an unprimeable number, because it can be changed into a prime (112203131311) 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 7 ways as a sum of consecutive naturals, for example, 10267670 + ... + 10278591.

It is an arithmetic number, because the mean of its divisors is an integer number (14464568448).

Almost surely, 2112203131321 is an apocalyptic number.

It is an amenable number.

112203131321 is a deficient number, since it is larger than the sum of its proper divisors (3513416263).

112203131321 is a wasteful number, since it uses less digits than its factorization.

112203131321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20546431.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 112203131321 its reverse (123131302211), we get a palindrome (235334433532).

The spelling of 112203131321 in words is "one hundred twelve billion, two hundred three million, one hundred thirty-one thousand, three hundred twenty-one".

Divisors: 1 43 127 5461 20546261 883489223 2609375147 112203131321