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1231132223183 is a prime number
BaseRepresentation
bin10001111010100101001…
…100101110011011001111
311100200202201110220120112
4101322211030232123033
5130132324322120213
62341324020110235
7154642414143062
oct21724514563317
94320681426515
101231132223183
11435136054165
1217a72783537b
138c131403645
144383109c8d9
1522057e12ea8
hex11ea532e6cf

1231132223183 has 2 divisors, whose sum is σ = 1231132223184. Its totient is φ = 1231132223182.

The previous prime is 1231132223177. The next prime is 1231132223239. The reversal of 1231132223183 is 3813222311321.

It is a weak prime.

It is an emirp because it is prime and its reverse (3813222311321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1231132223183 - 28 = 1231132222927 is a prime.

It is a super-2 number, since 2×12311322231832 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1231132243183) 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 as a sum of consecutive naturals, namely, 615566111591 + 615566111592.

It is an arithmetic number, because the mean of its divisors is an integer number (615566111592).

Almost surely, 21231132223183 is an apocalyptic number.

1231132223183 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231132223183 is an equidigital number, since it uses as much as digits as its factorization.

1231132223183 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 32.

The spelling of 1231132223183 in words is "one trillion, two hundred thirty-one billion, one hundred thirty-two million, two hundred twenty-three thousand, one hundred eighty-three".