30343144 has 32 divisors (see below), whose sum is σ = 61740000. Its totient is φ = 13897152.

The previous prime is 30343129. The next prime is 30343207. The reversal of 30343144 is 44134303.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13407 + ... + 15505.

It is an arithmetic number, because the mean of its divisors is an integer number (1929375).

Almost surely, 2^30343144 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 30343144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30870000).

30343144 is an abundant number, since it is smaller than the sum of its proper divisors (31396856).

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

30343144 is a wasteful number, since it uses less digits than its factorization.

30343144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257 (or 2253 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 30343144 is about 5508.4611281192. The cubic root of 30343144 is about 311.9034601600.

Adding to 30343144 its reverse (44134303), we get a palindrome (74477447).

The spelling of 30343144 in words is "thirty million, three hundred forty-three thousand, one hundred forty-four".