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13120122131 is a prime number
BaseRepresentation
bin11000011100000010…
…10010110100010011
31020212100211021001022
430032001102310103
5203332222402011
610005521430055
7643062124634
oct141601226423
936770737038
1013120122131
115622a6aa46
122661a9b32b
13131123c39c
148c66b788b
1551bc7d8db
hex30e052d13

13120122131 has 2 divisors, whose sum is σ = 13120122132. Its totient is φ = 13120122130.

The previous prime is 13120122097. The next prime is 13120122151. The reversal of 13120122131 is 13122102131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13120122131 - 210 = 13120121107 is a prime.

It is a super-2 number, since 2×131201221312 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13120122151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6560061065 + 6560061066.

It is an arithmetic number, because the mean of its divisors is an integer number (6560061066).

Almost surely, 213120122131 is an apocalyptic number.

13120122131 is a deficient number, since it is larger than the sum of its proper divisors (1).

13120122131 is an equidigital number, since it uses as much as digits as its factorization.

13120122131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 13120122131 its reverse (13122102131), we get a palindrome (26242224262).

The spelling of 13120122131 in words is "thirteen billion, one hundred twenty million, one hundred twenty-two thousand, one hundred thirty-one".