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38231 is a prime number
BaseRepresentation
bin1001010101010111
31221102222
421111113
52210411
6452555
7216314
oct112527
957388
1038231
11267a6
121a15b
131452b
14dd0b
15b4db
hex9557

38231 has 2 divisors, whose sum is σ = 38232. Its totient is φ = 38230.

The previous prime is 38219. The next prime is 38237. The reversal of 38231 is 13283.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38231 - 26 = 38167 is a prime.

It is a super-2 number, since 2×382312 = 2923218722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 38231.

It is not a weakly prime, because it can be changed into another prime (38237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19115 + 19116.

It is an arithmetic number, because the mean of its divisors is an integer number (19116).

238231 is an apocalyptic number.

38231 is a deficient number, since it is larger than the sum of its proper divisors (1).

38231 is an equidigital number, since it uses as much as digits as its factorization.

38231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144, while the sum is 17.

The square root of 38231 is about 195.5274916732. The cubic root of 38231 is about 33.6877407296.

It can be divided in two parts, 38 and 231, that multiplied together give a palindrome (8778).

The spelling of 38231 in words is "thirty-eight thousand, two hundred thirty-one".