30441013 has 4 divisors (see below), whose sum is σ = 30940108. Its totient is φ = 29941920.

The previous prime is 30441001. The next prime is 30441017. The reversal of 30441013 is 31014403.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3161284 + 27279729 = 1778^2 + 5223^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30441013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30441017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249456 + ... + 249577.

It is an arithmetic number, because the mean of its divisors is an integer number (7735027).

Almost surely, 2^30441013 is an apocalyptic number.

It is an amenable number.

30441013 is a deficient number, since it is larger than the sum of its proper divisors (499095).

30441013 is an equidigital number, since it uses as much as digits as its factorization.

30441013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499094.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 30441013 is about 5517.3374919430. The cubic root of 30441013 is about 312.2384388422.

Adding to 30441013 its reverse (31014403), we get a palindrome (61455416).

The spelling of 30441013 in words is "thirty million, four hundred forty-one thousand, thirteen".