30982997 has 2 divisors, whose sum is σ = 30982998. Its totient is φ = 30982996.

The previous prime is 30982969. The next prime is 30983033. The reversal of 30982997 is 79928903.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28313041 + 2669956 = 5321^2 + 1634^2 .

It is a cyclic number.

It is not a de Polignac number, because 30982997 - 2⁸ = 30982741 is a prime.

It is a super-2 number, since 2×30982997² = 1919892206204018, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30982957) 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, 15491498 + 15491499.

It is an arithmetic number, because the mean of its divisors is an integer number (15491499).

Almost surely, 2^30982997 is an apocalyptic number.

It is an amenable number.

30982997 is a deficient number, since it is larger than the sum of its proper divisors (1).

30982997 is an equidigital number, since it uses as much as digits as its factorization.

30982997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 30982997 is about 5566.2372389254. The cubic root of 30982997 is about 314.0806215149.

The spelling of 30982997 in words is "thirty million, nine hundred eighty-two thousand, nine hundred ninety-seven".