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1213353107 is a prime number
BaseRepresentation
bin100100001010010…
…0100110010010011
310010120010201112222
41020110210302103
54441104244412
6320222211255
742032221421
oct11024446223
93116121488
101213353107
115729a716a
1229a423b2b
131644bb325
14b7208111
15717c7072
hex48524c93

1213353107 has 2 divisors, whose sum is σ = 1213353108. Its totient is φ = 1213353106.

The previous prime is 1213353103. The next prime is 1213353131. The reversal of 1213353107 is 7013533121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1213353107 - 22 = 1213353103 is a prime.

It is not a weakly prime, because it can be changed into another prime (1213353103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606676553 + 606676554.

It is an arithmetic number, because the mean of its divisors is an integer number (606676554).

Almost surely, 21213353107 is an apocalyptic number.

1213353107 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213353107 is an equidigital number, since it uses as much as digits as its factorization.

1213353107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 1213353107 is about 34833.2184415968. The cubic root of 1213353107 is about 1066.5856480239.

Adding to 1213353107 its reverse (7013533121), we get a palindrome (8226886228).

The spelling of 1213353107 in words is "one billion, two hundred thirteen million, three hundred fifty-three thousand, one hundred seven".