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13531103461 is a prime number
BaseRepresentation
bin11001001101000010…
…00100000011100101
31021221000011021110001
430212201010003211
5210202430302321
610114402301301
7656212324141
oct144641040345
937830137401
1013531103461
115813a56337
122757657831
1313784270c5
149250da221
15542db0c91
hex3268440e5

13531103461 has 2 divisors, whose sum is σ = 13531103462. Its totient is φ = 13531103460.

The previous prime is 13531103459. The next prime is 13531103491. The reversal of 13531103461 is 16430113531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10242654436 + 3288449025 = 101206^2 + 57345^2 .

It is a cyclic number.

It is not a de Polignac number, because 13531103461 - 21 = 13531103459 is a prime.

Together with 13531103459, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13531103491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6765551730 + 6765551731.

It is an arithmetic number, because the mean of its divisors is an integer number (6765551731).

Almost surely, 213531103461 is an apocalyptic number.

It is an amenable number.

13531103461 is a deficient number, since it is larger than the sum of its proper divisors (1).

13531103461 is an equidigital number, since it uses as much as digits as its factorization.

13531103461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

Adding to 13531103461 its reverse (16430113531), we get a palindrome (29961216992).

The spelling of 13531103461 in words is "thirteen billion, five hundred thirty-one million, one hundred three thousand, four hundred sixty-one".