30943201 has 2 divisors, whose sum is σ = 30943202. Its totient is φ = 30943200.

The previous prime is 30943189. The next prime is 30943219. The reversal of 30943201 is 10234903.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30813601 + 129600 = 5551^2 + 360^2 .

It is a cyclic number.

It is not a de Polignac number, because 30943201 - 2¹¹ = 30941153 is a prime.

It is not a weakly prime, because it can be changed into another prime (30943271) 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, 15471600 + 15471601.

It is an arithmetic number, because the mean of its divisors is an integer number (15471601).

Almost surely, 2^30943201 is an apocalyptic number.

It is an amenable number.

30943201 is a deficient number, since it is larger than the sum of its proper divisors (1).

30943201 is an equidigital number, since it uses as much as digits as its factorization.

30943201 is an odious number, because the sum of its binary digits is odd.

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

The square root of 30943201 is about 5562.6613235033. The cubic root of 30943201 is about 313.9460906545.

The spelling of 30943201 in words is "thirty million, nine hundred forty-three thousand, two hundred one".