30613144 has 16 divisors (see below), whose sum is σ = 57458520. Its totient is φ = 15290880.

The previous prime is 30613129. The next prime is 30613157. The reversal of 30613144 is 44131603.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 13432 + ... + 15544.

Almost surely, 2^30613144 is an apocalyptic number.

It is an amenable number.

30613144 is a deficient number, since it is larger than the sum of its proper divisors (26845376).

30613144 is a wasteful number, since it uses less digits than its factorization.

30613144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3930 (or 3926 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 30613144 is about 5532.9146026303. The cubic root of 30613144 is about 312.8258582810.

Adding to 30613144 its reverse (44131603), we get a palindrome (74744747).

The spelling of 30613144 in words is "thirty million, six hundred thirteen thousand, one hundred forty-four".