30689341 has 2 divisors, whose sum is σ = 30689342. Its totient is φ = 30689340.

The previous prime is 30689339. The next prime is 30689363. The reversal of 30689341 is 14398603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28196100 + 2493241 = 5310^2 + 1579^2 .

It is a cyclic number.

It is not a de Polignac number, because 30689341 - 2¹ = 30689339 is a prime.

Together with 30689339, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 30689297 and 30689306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30689311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15344670 + 15344671.

It is an arithmetic number, because the mean of its divisors is an integer number (15344671).

Almost surely, 2^30689341 is an apocalyptic number.

It is an amenable number.

30689341 is a deficient number, since it is larger than the sum of its proper divisors (1).

30689341 is an equidigital number, since it uses as much as digits as its factorization.

30689341 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 30689341 is about 5539.7961153819. The cubic root of 30689341 is about 313.0851874408.

The spelling of 30689341 in words is "thirty million, six hundred eighty-nine thousand, three hundred forty-one".