213611200320 has 112 divisors (see below), whose sum is σ = 775103522688. Its totient is φ = 48825415680.

The previous prime is 213611200267. The next prime is 213611200343. The reversal of 213611200320 is 23002116312.

213611200320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 15886971 + ... + 15900410.

Almost surely, 2^213611200320 is an apocalyptic number.

213611200320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213611200320 is an abundant number, since it is smaller than the sum of its proper divisors (561492322368).

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

213611200320 is a wasteful number, since it uses less digits than its factorization.

213611200320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31787408 (or 31787398 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 213611200320 its reverse (23002116312), we get a palindrome (236613316632).

The spelling of 213611200320 in words is "two hundred thirteen billion, six hundred eleven million, two hundred thousand, three hundred twenty".