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1322210303231 is a prime number
BaseRepresentation
bin10011001111011001111…
…000000001110011111111
311200101212002221202111112
4103033121320001303333
5133130341314200411
62451225351312235
7164345414066126
oct23173170016377
94611762852445
101322210303231
1146a8232787a4
1219430567b67b
13978b76a02bc
1447dd1230abd
15245d8c45b8b
hex133d9e01cff

1322210303231 has 2 divisors, whose sum is σ = 1322210303232. Its totient is φ = 1322210303230.

The previous prime is 1322210303137. The next prime is 1322210303273. The reversal of 1322210303231 is 1323030122231.

It is a strong prime.

It is an emirp because it is prime and its reverse (1323030122231) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1322210303231 is a prime.

It is a super-2 number, since 2×13222103032312 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1322210303197 and 1322210303206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1322210306231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661105151615 + 661105151616.

It is an arithmetic number, because the mean of its divisors is an integer number (661105151616).

Almost surely, 21322210303231 is an apocalyptic number.

1322210303231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322210303231 is an equidigital number, since it uses as much as digits as its factorization.

1322210303231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1322210303231 its reverse (1323030122231), we get a palindrome (2645240425462).

The spelling of 1322210303231 in words is "one trillion, three hundred twenty-two billion, two hundred ten million, three hundred three thousand, two hundred thirty-one".