30230031 has 16 divisors (see below), whose sum is σ = 43551200. Its totient is φ = 18541440.

The previous prime is 30230023. The next prime is 30230033. The reversal of 30230031 is 13003203.

It is a happy number.

It is not a de Polignac number, because 30230031 - 2³ = 30230023 is a prime.

It is a super-2 number, since 2×30230031² = 1827709548521922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30229989 and 30230016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30230033) 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, 12501 + ... + 14721.

It is an arithmetic number, because the mean of its divisors is an integer number (2721950).

Almost surely, 2^30230031 is an apocalyptic number.

30230031 is a deficient number, since it is larger than the sum of its proper divisors (13321169).

30230031 is a wasteful number, since it uses less digits than its factorization.

30230031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2586.

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 30230031 is about 5498.1843366697. The cubic root of 30230031 is about 311.5154069160.

Adding to 30230031 its reverse (13003203), we get a palindrome (43233234).

The spelling of 30230031 in words is "thirty million, two hundred thirty thousand, thirty-one".