30996841 has 2 divisors, whose sum is σ = 30996842. Its totient is φ = 30996840.

The previous prime is 30996839. The next prime is 30996859. The reversal of 30996841 is 14869903.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22610025 + 8386816 = 4755^2 + 2896^2 .

It is a cyclic number.

It is not a de Polignac number, because 30996841 - 2¹ = 30996839 is a prime.

Together with 30996839, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 30996794 and 30996803.

It is not a weakly prime, because it can be changed into another prime (30996871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15498420 + 15498421.

It is an arithmetic number, because the mean of its divisors is an integer number (15498421).

Almost surely, 2^30996841 is an apocalyptic number.

It is an amenable number.

30996841 is a deficient number, since it is larger than the sum of its proper divisors (1).

30996841 is an equidigital number, since it uses as much as digits as its factorization.

30996841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 30996841 is about 5567.4806690280. The cubic root of 30996841 is about 314.1273943159.

The spelling of 30996841 in words is "thirty million, nine hundred ninety-six thousand, eight hundred forty-one".