30230491 has 2 divisors, whose sum is σ = 30230492. Its totient is φ = 30230490.

The previous prime is 30230449. The next prime is 30230503. The reversal of 30230491 is 19403203.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30230491 - 2¹⁵ = 30197723 is a prime.

It is a super-2 number, since 2×30230491² = 1827765172202162, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30230791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15115245 + 15115246.

It is an arithmetic number, because the mean of its divisors is an integer number (15115246).

Almost surely, 2^30230491 is an apocalyptic number.

30230491 is a deficient number, since it is larger than the sum of its proper divisors (1).

30230491 is an equidigital number, since it uses as much as digits as its factorization.

30230491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 30230491 is about 5498.2261685020. The cubic root of 30230491 is about 311.5169869823.

Adding to 30230491 its reverse (19403203), we get a palindrome (49633694).

The spelling of 30230491 in words is "thirty million, two hundred thirty thousand, four hundred ninety-one".