30213344 has 96 divisors (see below), whose sum is σ = 74188800. Its totient is φ = 11819520.

The previous prime is 30213341. The next prime is 30213353. The reversal of 30213344 is 44331203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30213341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131822 + ... + 132050.

It is an arithmetic number, because the mean of its divisors is an integer number (772800).

Almost surely, 2^30213344 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 30213344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37094400).

30213344 is an abundant number, since it is smaller than the sum of its proper divisors (43975456).

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

30213344 is a wasteful number, since it uses less digits than its factorization.

30213344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 30213344 is about 5496.6666262381. Note that the first 4 decimals coincide. The cubic root of 30213344 is about 311.4580774526.

Adding to 30213344 its reverse (44331203), we get a palindrome (74544547).

The spelling of 30213344 in words is "thirty million, two hundred thirteen thousand, three hundred forty-four".