30973349 has 4 divisors (see below), whose sum is σ = 33789120. Its totient is φ = 28157580.

The previous prime is 30973307. The next prime is 30973351. The reversal of 30973349 is 94337903.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 30973349 - 2⁸ = 30973093 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30973379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1407869 + ... + 1407890.

It is an arithmetic number, because the mean of its divisors is an integer number (8447280).

Almost surely, 2^30973349 is an apocalyptic number.

It is an amenable number.

30973349 is a deficient number, since it is larger than the sum of its proper divisors (2815771).

30973349 is a wasteful number, since it uses less digits than its factorization.

30973349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815770.

The product of its (nonzero) digits is 61236, while the sum is 38.

The square root of 30973349 is about 5565.3705177643. The cubic root of 30973349 is about 314.0480169175.

It can be divided in two parts, 3097 and 3349, that added together give a palindrome (6446).

The spelling of 30973349 in words is "thirty million, nine hundred seventy-three thousand, three hundred forty-nine".