30340071 has 6 divisors (see below), whose sum is σ = 43824560. Its totient is φ = 20226708.

The previous prime is 30340067. The next prime is 30340073. The reversal of 30340071 is 17004303.

It is not a de Polignac number, because 30340071 - 2² = 30340067 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30340073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1685551 + ... + 1685568.

Almost surely, 2^30340071 is an apocalyptic number.

30340071 is a deficient number, since it is larger than the sum of its proper divisors (13484489).

30340071 is a wasteful number, since it uses less digits than its factorization.

30340071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3371125 (or 3371122 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 30340071 is about 5508.1821865294. The cubic root of 30340071 is about 311.8929304701.

Adding to 30340071 its reverse (17004303), we get a palindrome (47344374).

The spelling of 30340071 in words is "thirty million, three hundred forty thousand, seventy-one".