30225031 has 16 divisors (see below), whose sum is σ = 33481728. Its totient is φ = 27158400.

The previous prime is 30225011. The next prime is 30225037. The reversal of 30225031 is 13052203.

It is a cyclic number.

It is not a de Polignac number, because 30225031 - 2¹³ = 30216839 is a prime.

It is a super-2 number, since 2×30225031² = 1827104997901922, 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 = 30224996 and 30225014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30225037) 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, 43396 + ... + 44086.

It is an arithmetic number, because the mean of its divisors is an integer number (2092608).

Almost surely, 2^30225031 is an apocalyptic number.

30225031 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

30225031 is a deficient number, since it is larger than the sum of its proper divisors (3256697).

30225031 is a wasteful number, since it uses less digits than its factorization.

30225031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 30225031 is about 5497.7296223077. The cubic root of 30225031 is about 311.4982312481.

Adding to 30225031 its reverse (13052203), we get a palindrome (43277234).

The spelling of 30225031 in words is "thirty million, two hundred twenty-five thousand, thirty-one".