30230231 has 4 divisors (see below), whose sum is σ = 30258600. Its totient is φ = 30201864.

The previous prime is 30230227. The next prime is 30230237. The reversal of 30230231 is 13203203.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30230231 - 2² = 30230227 is a prime.

It is a super-2 number, since 2×30230231² = 1827733732626722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30230237) 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, 12521 + ... + 14738.

It is an arithmetic number, because the mean of its divisors is an integer number (7564650).

Almost surely, 2^30230231 is an apocalyptic number.

30230231 is a deficient number, since it is larger than the sum of its proper divisors (28369).

30230231 is a wasteful number, since it uses less digits than its factorization.

30230231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28368.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 30230231 is about 5498.2025244620. The cubic root of 30230231 is about 311.5160939033.

Adding to 30230231 its reverse (13203203), we get a palindrome (43433434).

The spelling of 30230231 in words is "thirty million, two hundred thirty thousand, two hundred thirty-one".