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13231033279 is a prime number
BaseRepresentation
bin11000101001010000…
…11000101110111111
31021011002112010112121
430110220120232333
5204044121031104
610024522543411
7645606633022
oct142450305677
937132463477
1013231033279
11567a634152
122693067b67
13132b203399
148d73091b9
1552688b254
hex314a18bbf

13231033279 has 2 divisors, whose sum is σ = 13231033280. Its totient is φ = 13231033278.

The previous prime is 13231033219. The next prime is 13231033339. The reversal of 13231033279 is 97233013231.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (13231033219) and next prime (13231033339).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13231033279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13231033219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6615516639 + 6615516640.

It is an arithmetic number, because the mean of its divisors is an integer number (6615516640).

Almost surely, 213231033279 is an apocalyptic number.

13231033279 is a deficient number, since it is larger than the sum of its proper divisors (1).

13231033279 is an equidigital number, since it uses as much as digits as its factorization.

13231033279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 34.

The spelling of 13231033279 in words is "thirteen billion, two hundred thirty-one million, thirty-three thousand, two hundred seventy-nine".