30989201 has 2 divisors, whose sum is σ = 30989202. Its totient is φ = 30989200.

The previous prime is 30989183. The next prime is 30989207. The reversal of 30989201 is 10298903.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22316176 + 8673025 = 4724^2 + 2945^2 .

It is a cyclic number.

It is not a de Polignac number, because 30989201 - 2²² = 26794897 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30989207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15494600 + 15494601.

It is an arithmetic number, because the mean of its divisors is an integer number (15494601).

Almost surely, 2^30989201 is an apocalyptic number.

It is an amenable number.

30989201 is a deficient number, since it is larger than the sum of its proper divisors (1).

30989201 is an equidigital number, since it uses as much as digits as its factorization.

30989201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 30989201 is about 5566.7944995302. The cubic root of 30989201 is about 314.1015838310.

The spelling of 30989201 in words is "thirty million, nine hundred eighty-nine thousand, two hundred one".