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1311222210139 is a prime number
BaseRepresentation
bin10011000101001010111…
…011110001111001011011
311122100111022220210110201
4103011022323301321123
5132440340341211024
62442211150323031
7163506210614242
oct23051273617133
94570438823421
101311222210139
114660a4832826
121921597b9477
139685608447a
144766bb7d959
1524194259744
hex1314aef1e5b

1311222210139 has 2 divisors, whose sum is σ = 1311222210140. Its totient is φ = 1311222210138.

The previous prime is 1311222210113. The next prime is 1311222210157. The reversal of 1311222210139 is 9310122221131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1311222210139 - 215 = 1311222177371 is a prime.

It is not a weakly prime, because it can be changed into another prime (1311222217139) 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, 655611105069 + 655611105070.

It is an arithmetic number, because the mean of its divisors is an integer number (655611105070).

Almost surely, 21311222210139 is an apocalyptic number.

1311222210139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311222210139 is an equidigital number, since it uses as much as digits as its factorization.

1311222210139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 1311222210139 in words is "one trillion, three hundred eleven billion, two hundred twenty-two million, two hundred ten thousand, one hundred thirty-nine".