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130319251 is a prime number
BaseRepresentation
bin1111100010010…
…00001110010011
3100002012220101221
413301020032103
5231330204001
620533105511
73141460336
oct761101623
9302186357
10130319251
116761a867
1237788297
1320ccabaa
141344461d
15b6931a1
hex7c48393

130319251 has 2 divisors, whose sum is σ = 130319252. Its totient is φ = 130319250.

The previous prime is 130319249. The next prime is 130319281. The reversal of 130319251 is 152913031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130319251 - 21 = 130319249 is a prime.

Together with 130319249, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (130319281) 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, 65159625 + 65159626.

It is an arithmetic number, because the mean of its divisors is an integer number (65159626).

Almost surely, 2130319251 is an apocalyptic number.

130319251 is a deficient number, since it is larger than the sum of its proper divisors (1).

130319251 is an equidigital number, since it uses as much as digits as its factorization.

130319251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 130319251 is about 11415.7457487455. The cubic root of 130319251 is about 506.9940451640.

The spelling of 130319251 in words is "one hundred thirty million, three hundred nineteen thousand, two hundred fifty-one".