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30941 is a prime number
BaseRepresentation
bin111100011011101
31120102222
413203131
51442231
6355125
7156131
oct74335
946388
1030941
1121279
1215aa5
1311111
14b3c1
15927b
hex78dd

30941 has 2 divisors, whose sum is σ = 30942. Its totient is φ = 30940.

The previous prime is 30937. The next prime is 30949. The reversal of 30941 is 14903.

30941 is nontrivially palindromic in base 13.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23716 + 7225 = 154^2 + 85^2 .

It is a cyclic number.

It is not a de Polignac number, because 30941 - 22 = 30937 is a prime.

It is an alternating number because its digits alternate between odd and even.

30941 is a nontrivial repdigit in base 13.

It is a plaindrome in base 13 and base 16.

It is a nialpdrome in base 13.

It is a zygodrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30949) by changing a digit.

It is a nontrivial repunit in base 13.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15470 + 15471.

It is an arithmetic number, because the mean of its divisors is an integer number (15471).

230941 is an apocalyptic number.

It is an amenable number.

30941 is a deficient number, since it is larger than the sum of its proper divisors (1).

30941 is an equidigital number, since it uses as much as digits as its factorization.

30941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 30941 is about 175.9005400788. The cubic root of 30941 is about 31.3938646782.

The spelling of 30941 in words is "thirty thousand, nine hundred forty-one".