30823061 has 2 divisors, whose sum is σ = 30823062. Its totient is φ = 30823060.

The previous prime is 30823043. The next prime is 30823063. The reversal of 30823061 is 16032803.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15760900 + 15062161 = 3970^2 + 3881^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30823061 is a prime.

It is a super-2 number, since 2×30823061² = 1900122178819442, which contains 22 as substring.

Together with 30823063, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30823063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15411530 + 15411531.

It is an arithmetic number, because the mean of its divisors is an integer number (15411531).

Almost surely, 2^30823061 is an apocalyptic number.

It is an amenable number.

30823061 is a deficient number, since it is larger than the sum of its proper divisors (1).

30823061 is an equidigital number, since it uses as much as digits as its factorization.

30823061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 30823061 is about 5551.8520333309. The cubic root of 30823061 is about 313.5392548864.

Adding to 30823061 its reverse (16032803), we get a palindrome (46855864).

The spelling of 30823061 in words is "thirty million, eight hundred twenty-three thousand, sixty-one".