30242031 has 16 divisors (see below), whose sum is σ = 43399008. Its totient is φ = 18662400.

The previous prime is 30242021. The next prime is 30242039. The reversal of 30242031 is 13024203.

It is not a de Polignac number, because 30242031 - 2⁵ = 30241999 is a prime.

It is a super-2 number, since 2×30242031² = 1829160878009922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30242031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30242039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1750 + ... + 7971.

It is an arithmetic number, because the mean of its divisors is an integer number (2712438).

Almost surely, 2^30242031 is an apocalyptic number.

30242031 is a deficient number, since it is larger than the sum of its proper divisors (13156977).

30242031 is a wasteful number, since it uses less digits than its factorization.

30242031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9802.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 30242031 is about 5499.2754977360. The cubic root of 30242031 is about 311.5566207932.

Adding to 30242031 its reverse (13024203), we get a palindrome (43266234).

The spelling of 30242031 in words is "thirty million, two hundred forty-two thousand, thirty-one".