30213200 has 30 divisors (see below), whose sum is σ = 72588174. Its totient is φ = 12085120.

The previous prime is 30213193. The next prime is 30213203. The reversal of 30213200 is 231203.

It can be written as a sum of positive squares in 3 ways, for example, as 3297856 + 26915344 = 1816^2 + 5188^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30213203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37367 + ... + 38166.

Almost surely, 2^30213200 is an apocalyptic number.

It is an amenable number.

30213200 is an abundant number, since it is smaller than the sum of its proper divisors (42374974).

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

30213200 is a wasteful number, since it uses less digits than its factorization.

30213200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75551 (or 75540 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 30213200 is about 5496.6535273746. The cubic root of 30213200 is about 311.4575826377.

Adding to 30213200 its reverse (231203), we get a palindrome (30444403).

The spelling of 30213200 in words is "thirty million, two hundred thirteen thousand, two hundred".