30010091 has 2 divisors, whose sum is σ = 30010092. Its totient is φ = 30010090.

The previous prime is 30010069. The next prime is 30010103. The reversal of 30010091 is 19001003.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30010091 - 2²² = 25815787 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30010021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15005045 + 15005046.

It is an arithmetic number, because the mean of its divisors is an integer number (15005046).

Almost surely, 2^30010091 is an apocalyptic number.

30010091 is a deficient number, since it is larger than the sum of its proper divisors (1).

30010091 is an equidigital number, since it uses as much as digits as its factorization.

30010091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 30010091 is about 5478.1466756559. The cubic root of 30010091 is about 310.7580856712.

Adding to 30010091 its reverse (19001003), we get a palindrome (49011094).

The spelling of 30010091 in words is "thirty million, ten thousand, ninety-one".