30973097 has 16 divisors (see below), whose sum is σ = 33495360. Its totient is φ = 28553472.

The previous prime is 30973093. The next prime is 30973109. The reversal of 30973097 is 79037903.

It is a cyclic number.

It is not a de Polignac number, because 30973097 - 2² = 30973093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30973097.

It is not an unprimeable number, because it can be changed into a prime (30973091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189938 + ... + 190100.

It is an arithmetic number, because the mean of its divisors is an integer number (2093460).

Almost surely, 2^30973097 is an apocalyptic number.

It is an amenable number.

30973097 is a deficient number, since it is larger than the sum of its proper divisors (2522263).

30973097 is a wasteful number, since it uses less digits than its factorization.

30973097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392.

The product of its (nonzero) digits is 35721, while the sum is 38.

The square root of 30973097 is about 5565.3478777162. The cubic root of 30973097 is about 314.0471652141.

The spelling of 30973097 in words is "thirty million, nine hundred seventy-three thousand, ninety-seven".