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13215552341 is a prime number
BaseRepresentation
bin11000100111011010…
…10101001101010101
31021010000101121200112
430103231111031111
5204031140133331
610023211052405
7645331225055
oct142355251525
937100347615
1013215552341
115671920092
122689a41105
131327c42b74
148d5239565
1552532e32b
hex313b55355

13215552341 has 2 divisors, whose sum is σ = 13215552342. Its totient is φ = 13215552340.

The previous prime is 13215552257. The next prime is 13215552373. The reversal of 13215552341 is 14325551231.

It is an a-pointer prime, because the next prime (13215552373) can be obtained adding 13215552341 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12586596100 + 628956241 = 112190^2 + 25079^2 .

It is a cyclic number.

It is not a de Polignac number, because 13215552341 - 218 = 13215290197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13215552298 and 13215552307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13215552241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6607776170 + 6607776171.

It is an arithmetic number, because the mean of its divisors is an integer number (6607776171).

Almost surely, 213215552341 is an apocalyptic number.

It is an amenable number.

13215552341 is a deficient number, since it is larger than the sum of its proper divisors (1).

13215552341 is an equidigital number, since it uses as much as digits as its factorization.

13215552341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18000, while the sum is 32.

The spelling of 13215552341 in words is "thirteen billion, two hundred fifteen million, five hundred fifty-two thousand, three hundred forty-one".