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93131 is a prime number
BaseRepresentation
bin10110101111001011
311201202022
4112233023
510440011
61555055
7535343
oct265713
9151668
1093131
1163a75
1245a8b
133350c
1425d23
151c8db
hex16bcb

93131 has 2 divisors, whose sum is σ = 93132. Its totient is φ = 93130.

The previous prime is 93113. The next prime is 93133. The reversal of 93131 is 13139.

Together with previous prime (93113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 93131 - 210 = 92107 is a prime.

It is a super-2 number, since 2×931312 = 17346766322, which contains 22 as substring.

Together with 93133, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (93133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46565 + 46566.

It is an arithmetic number, because the mean of its divisors is an integer number (46566).

293131 is an apocalyptic number.

93131 is a deficient number, since it is larger than the sum of its proper divisors (1).

93131 is an equidigital number, since it uses as much as digits as its factorization.

93131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81, while the sum is 17.

The square root of 93131 is about 305.1737210180. The cubic root of 93131 is about 45.3278119477.

The spelling of 93131 in words is "ninety-three thousand, one hundred thirty-one".