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112203131 = 234878397
BaseRepresentation
bin1101011000000…
…01010101111011
321211010111202112
412230001111323
5212211000011
615044522535
72531465555
oct654012573
9254114675
10112203131
1158376967
12316b044b
131a3270b1
1410c8a4d5
159cb558b
hex6b0157b

112203131 has 4 divisors (see below), whose sum is σ = 117081552. Its totient is φ = 107324712.

The previous prime is 112203127. The next prime is 112203193. The reversal of 112203131 is 131302211.

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

It is a cyclic number.

It is not a de Polignac number, because 112203131 - 22 = 112203127 is a prime.

It is a super-2 number, since 2×1122031312 = 25179085212406322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112203121) 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, 2439176 + ... + 2439221.

It is an arithmetic number, because the mean of its divisors is an integer number (29270388).

Almost surely, 2112203131 is an apocalyptic number.

112203131 is a deficient number, since it is larger than the sum of its proper divisors (4878421).

112203131 is an equidigital number, since it uses as much as digits as its factorization.

112203131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4878420.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 112203131 is about 10592.5979344068. The cubic root of 112203131 is about 482.3196902937.

Adding to 112203131 its reverse (131302211), we get a palindrome (243505342).

The spelling of 112203131 in words is "one hundred twelve million, two hundred three thousand, one hundred thirty-one".

Divisors: 1 23 4878397 112203131