213450030 has 48 divisors (see below), whose sum is σ = 566789184. Its totient is φ = 55707840.

The previous prime is 213450019. The next prime is 213450031. The reversal of 213450030 is 30054312.

213450030 is a `hidden beast` number, since 2 + 134 + 500 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 213449985 and 213450012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213450031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21001 + ... + 29460.

It is an arithmetic number, because the mean of its divisors is an integer number (11808108).

Almost surely, 2^213450030 is an apocalyptic number.

213450030 is an abundant number, since it is smaller than the sum of its proper divisors (353339154).

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

213450030 is a wasteful number, since it uses less digits than its factorization.

213450030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50521 (or 50518 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 213450030 is about 14609.9291579391. The cubic root of 213450030 is about 597.6295640552.

The spelling of 213450030 in words is "two hundred thirteen million, four hundred fifty thousand, thirty".