213215450430 has 32 divisors (see below), whose sum is σ = 511818595200. Its totient is φ = 56846174112.

The previous prime is 213215450401. The next prime is 213215450443. The reversal of 213215450430 is 34054512312.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 550660 + ... + 854199.

It is an arithmetic number, because the mean of its divisors is an integer number (15994331100).

Almost surely, 2^213215450430 is an apocalyptic number.

213215450430 is an abundant number, since it is smaller than the sum of its proper divisors (298603144770).

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

213215450430 is a wasteful number, since it uses less digits than its factorization.

213215450430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409928.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 213215450430 its reverse (34054512312), we get a palindrome (247269962742).

The spelling of 213215450430 in words is "two hundred thirteen billion, two hundred fifteen million, four hundred fifty thousand, four hundred thirty".