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112331231 is a prime number
BaseRepresentation
bin1101011001000…
…00100111011111
321211101000110222
412230200213133
5212224044411
615051351555
72532541205
oct654404737
9254330428
10112331231
1158454131
12317525bb
131a3704ac
1410cc1075
159cdd4db
hex6b209df

112331231 has 2 divisors, whose sum is σ = 112331232. Its totient is φ = 112331230.

The previous prime is 112331227. The next prime is 112331237. The reversal of 112331231 is 132133211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112331231 - 22 = 112331227 is a prime.

It is a super-2 number, since 2×1123312312 = 25236610915950722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112331237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56165615 + 56165616.

It is an arithmetic number, because the mean of its divisors is an integer number (56165616).

Almost surely, 2112331231 is an apocalyptic number.

112331231 is a deficient number, since it is larger than the sum of its proper divisors (1).

112331231 is an equidigital number, since it uses as much as digits as its factorization.

112331231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108, while the sum is 17.

The square root of 112331231 is about 10598.6428848226. The cubic root of 112331231 is about 482.5031719659.

Adding to 112331231 its reverse (132133211), we get a palindrome (244464442).

It can be divided in two parts, 11 and 2331231, that multiplied together give a triangular number (25643541 = T7161).

The spelling of 112331231 in words is "one hundred twelve million, three hundred thirty-one thousand, two hundred thirty-one".