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13531013941 is a prime number
BaseRepresentation
bin11001001101000001…
…01110001100110101
31021220222222201122111
430212200232030311
5210202414421231
610114400331021
7656211502144
oct144640561465
937828881574
1013531013941
1158139a5055
122757613a71
1313783c5433
149250b575b
15542d944b1
hex32682e335

13531013941 has 2 divisors, whose sum is σ = 13531013942. Its totient is φ = 13531013940.

The previous prime is 13531013939. The next prime is 13531014037. The reversal of 13531013941 is 14931013531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13059689841 + 471324100 = 114279^2 + 21710^2 .

It is a cyclic number.

It is not a de Polignac number, because 13531013941 - 21 = 13531013939 is a prime.

Together with 13531013939, 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 (13531013141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6765506970 + 6765506971.

It is an arithmetic number, because the mean of its divisors is an integer number (6765506971).

Almost surely, 213531013941 is an apocalyptic number.

It is an amenable number.

13531013941 is a deficient number, since it is larger than the sum of its proper divisors (1).

13531013941 is an equidigital number, since it uses as much as digits as its factorization.

13531013941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 31.

The spelling of 13531013941 in words is "thirteen billion, five hundred thirty-one million, thirteen thousand, nine hundred forty-one".