30984361 has 2 divisors, whose sum is σ = 30984362. Its totient is φ = 30984360.

The previous prime is 30984347. The next prime is 30984367. The reversal of 30984361 is 16348903.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29648025 + 1336336 = 5445^2 + 1156^2 .

It is a cyclic number.

It is not a de Polignac number, because 30984361 - 2¹⁵ = 30951593 is a prime.

It is not a weakly prime, because it can be changed into another prime (30984367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15492180 + 15492181.

It is an arithmetic number, because the mean of its divisors is an integer number (15492181).

Almost surely, 2^30984361 is an apocalyptic number.

It is an amenable number.

30984361 is a deficient number, since it is larger than the sum of its proper divisors (1).

30984361 is an equidigital number, since it uses as much as digits as its factorization.

30984361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 30984361 is about 5566.3597619989. The cubic root of 30984361 is about 314.0852304910.

The spelling of 30984361 in words is "thirty million, nine hundred eighty-four thousand, three hundred sixty-one".