30913024 has 40 divisors (see below), whose sum is σ = 62300700. Its totient is φ = 15323136.

The previous prime is 30913009. The next prime is 30913033. The reversal of 30913024 is 42031903.

It can be written as a sum of positive squares in 2 ways, for example, as 27040000 + 3873024 = 5200^2 + 1968^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30912986 and 30913004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88402 + ... + 88750.

Almost surely, 2^30913024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30913024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31150350).

30913024 is an abundant number, since it is smaller than the sum of its proper divisors (31387676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30913024 is an equidigital number, since it uses as much as digits as its factorization.

30913024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540 (or 524 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 30913024 is about 5559.9482011976. The cubic root of 30913024 is about 313.8440000247.

Adding to 30913024 its reverse (42031903), we get a palindrome (72944927).

The spelling of 30913024 in words is "thirty million, nine hundred thirteen thousand, twenty-four".