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131332319 is a prime number
BaseRepresentation
bin1111101001111…
…11100011011111
3100011010101001222
413310333203133
5232110113234
621010523555
73153210026
oct764774337
9304111058
10131332319
1168151a08
1237b965bb
1321294041
14136298bd
15b7e342e
hex7d3f8df

131332319 has 2 divisors, whose sum is σ = 131332320. Its totient is φ = 131332318.

The previous prime is 131332297. The next prime is 131332339. The reversal of 131332319 is 913233131.

It is a strong prime.

It is an emirp because it is prime and its reverse (913233131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131332319 - 28 = 131332063 is a prime.

It is a super-2 number, since 2×1313323192 = 34496356027835522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131332339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65666159 + 65666160.

It is an arithmetic number, because the mean of its divisors is an integer number (65666160).

Almost surely, 2131332319 is an apocalyptic number.

131332319 is a deficient number, since it is larger than the sum of its proper divisors (1).

131332319 is an equidigital number, since it uses as much as digits as its factorization.

131332319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1458, while the sum is 26.

The square root of 131332319 is about 11460.0313699396. The cubic root of 131332319 is about 508.3044022114.

The spelling of 131332319 in words is "one hundred thirty-one million, three hundred thirty-two thousand, three hundred nineteen".