30313225 has 12 divisors (see below), whose sum is σ = 37658304. Its totient is φ = 24205520.

The previous prime is 30313219. The next prime is 30313229. The reversal of 30313225 is 52231303.

It is not a de Polignac number, because 30313225 - 2⁹ = 30312713 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 (30313229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21492 + ... + 22858.

It is an arithmetic number, because the mean of its divisors is an integer number (3138192).

Almost surely, 2^30313225 is an apocalyptic number.

It is an amenable number.

30313225 is a deficient number, since it is larger than the sum of its proper divisors (7345079).

30313225 is a wasteful number, since it uses less digits than its factorization.

30313225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2264 (or 2259 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 30313225 is about 5505.7447271010. The cubic root of 30313225 is about 311.8009119156.

Adding to 30313225 its reverse (52231303), we get a palindrome (82544528).

The spelling of 30313225 in words is "thirty million, three hundred thirteen thousand, two hundred twenty-five".