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13630336231 is a prime number
BaseRepresentation
bin11001011000110111…
…00110110011100111
31022011220212211012211
430230123212303213
5210403331224411
610132305224251
7661525642411
oct145433466347
938156784184
1013630336231
115864a73396
122784932087
131392b5c615
1493436b9b1
1554b963221
hex32c6e6ce7

13630336231 has 2 divisors, whose sum is σ = 13630336232. Its totient is φ = 13630336230.

The previous prime is 13630336219. The next prime is 13630336271. The reversal of 13630336231 is 13263303631.

It is a weak prime.

It is an emirp because it is prime and its reverse (13263303631) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13630336231 is a prime.

It is a super-2 number, since 2×136303362312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13630336193 and 13630336202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13630336271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6815168115 + 6815168116.

It is an arithmetic number, because the mean of its divisors is an integer number (6815168116).

Almost surely, 213630336231 is an apocalyptic number.

13630336231 is a deficient number, since it is larger than the sum of its proper divisors (1).

13630336231 is an equidigital number, since it uses as much as digits as its factorization.

13630336231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 31.

Adding to 13630336231 its reverse (13263303631), we get a palindrome (26893639862).

The spelling of 13630336231 in words is "thirteen billion, six hundred thirty million, three hundred thirty-six thousand, two hundred thirty-one".