30968797 has 2 divisors, whose sum is σ = 30968798. Its totient is φ = 30968796.

The previous prime is 30968771. The next prime is 30968813. The reversal of 30968797 is 79786903.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30758116 + 210681 = 5546^2 + 459^2 .

It is a cyclic number.

It is not a de Polignac number, because 30968797 - 2¹⁵ = 30936029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30968797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30968737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15484398 + 15484399.

It is an arithmetic number, because the mean of its divisors is an integer number (15484399).

Almost surely, 2^30968797 is an apocalyptic number.

It is an amenable number.

30968797 is a deficient number, since it is larger than the sum of its proper divisors (1).

30968797 is an equidigital number, since it uses as much as digits as its factorization.

30968797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 30968797 is about 5564.9615452400. The cubic root of 30968797 is about 314.0326314689.

The spelling of 30968797 in words is "thirty million, nine hundred sixty-eight thousand, seven hundred ninety-seven".