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1112031131 is a prime number
BaseRepresentation
bin100001001001000…
…0011111110011011
32212111111000221012
41002102003332123
54234134444011
6302202404135
736362052161
oct10222037633
92774430835
101112031131
115207924a2
1227050064b
13149503bb3
14a7991231
1567960a8b
hex42483f9b

1112031131 has 2 divisors, whose sum is σ = 1112031132. Its totient is φ = 1112031130.

The previous prime is 1112031091. The next prime is 1112031169. The reversal of 1112031131 is 1311302111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1112031131 - 210 = 1112030107 is a prime.

It is a super-2 number, since 2×11120311312 = 2473226472626278322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1112031331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556015565 + 556015566.

It is an arithmetic number, because the mean of its divisors is an integer number (556015566).

Almost surely, 21112031131 is an apocalyptic number.

1112031131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112031131 is an equidigital number, since it uses as much as digits as its factorization.

1112031131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1112031131 is about 33347.1307761253. The cubic root of 1112031131 is about 1036.0299613558.

Adding to 1112031131 its reverse (1311302111), we get a palindrome (2423333242).

The spelling of 1112031131 in words is "one billion, one hundred twelve million, thirty-one thousand, one hundred thirty-one".