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20132130331 is a prime number
BaseRepresentation
bin10010101111111101…
…111110111000011011
31220222001011011222201
4102233331332320123
5312212311132311
613125405231031
71311615166345
oct225775767033
956861134881
1020132130331
1185a1076545
123a9a262477
131b8ab8ac71
14d8da7c295
157cc66a9c1
hex4aff7ee1b

20132130331 has 2 divisors, whose sum is σ = 20132130332. Its totient is φ = 20132130330.

The previous prime is 20132130313. The next prime is 20132130383. The reversal of 20132130331 is 13303123102.

Together with previous prime (20132130313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20132130331 - 27 = 20132130203 is a prime.

It is a super-2 number, since 2×201321303312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20132130299 and 20132130308.

It is not a weakly prime, because it can be changed into another prime (20132130131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066065165 + 10066065166.

It is an arithmetic number, because the mean of its divisors is an integer number (10066065166).

Almost surely, 220132130331 is an apocalyptic number.

20132130331 is a deficient number, since it is larger than the sum of its proper divisors (1).

20132130331 is an equidigital number, since it uses as much as digits as its factorization.

20132130331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 20132130331 its reverse (13303123102), we get a palindrome (33435253433).

The spelling of 20132130331 in words is "twenty billion, one hundred thirty-two million, one hundred thirty thousand, three hundred thirty-one".