30023231 has 6 divisors (see below), whose sum is σ = 34925040. Its totient is φ = 25734156.

The previous prime is 30023219. The next prime is 30023251. The reversal of 30023231 is 13232003.

It is not a de Polignac number, because 30023231 - 2⁶ = 30023167 is a prime.

It is a super-2 number, since 2×30023231² = 1802788799358722, 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 (30023251) 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, 306311 + ... + 306408.

It is an arithmetic number, because the mean of its divisors is an integer number (5820840).

Almost surely, 2^30023231 is an apocalyptic number.

30023231 is a deficient number, since it is larger than the sum of its proper divisors (4901809).

30023231 is an equidigital number, since it uses as much as digits as its factorization.

30023231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612733 (or 612726 counting only the distinct ones).

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

The square root of 30023231 is about 5479.3458551181. The cubic root of 30023231 is about 310.8034344776.

Adding to 30023231 its reverse (13232003), we get a palindrome (43255234).

The spelling of 30023231 in words is "thirty million, twenty-three thousand, two hundred thirty-one".