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13130212309 is a prime number
BaseRepresentation
bin11000011101001111…
…10010001111010101
31020220001210220011121
430032213302033111
5203342313243214
610010522003541
7643243651234
oct141647621725
936801726147
1013130212309
115628731935
1226653465b1
131313362cc6
148c7b82b1b
1551cac3424
hex30e9f23d5

13130212309 has 2 divisors, whose sum is σ = 13130212310. Its totient is φ = 13130212308.

The previous prime is 13130212217. The next prime is 13130212339. The reversal of 13130212309 is 90321203131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11015132209 + 2115080100 = 104953^2 + 45990^2 .

It is a cyclic number.

It is not a de Polignac number, because 13130212309 - 213 = 13130204117 is a prime.

It is a super-2 number, since 2×131302123092 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13130212339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6565106154 + 6565106155.

It is an arithmetic number, because the mean of its divisors is an integer number (6565106155).

Almost surely, 213130212309 is an apocalyptic number.

It is an amenable number.

13130212309 is a deficient number, since it is larger than the sum of its proper divisors (1).

13130212309 is an equidigital number, since it uses as much as digits as its factorization.

13130212309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 25.

The spelling of 13130212309 in words is "thirteen billion, one hundred thirty million, two hundred twelve thousand, three hundred nine".