213000230320 has 40 divisors (see below), whose sum is σ = 495244730880. Its totient is φ = 85196789760.

The previous prime is 213000230273. The next prime is 213000230353. The reversal of 213000230320 is 23032000312.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 213000230294 and 213000230303.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4082961 + ... + 4134799.

It is an arithmetic number, because the mean of its divisors is an integer number (12381118272).

Almost surely, 2^213000230320 is an apocalyptic number.

213000230320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213000230320 is an abundant number, since it is smaller than the sum of its proper divisors (282244500560).

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

213000230320 is a wasteful number, since it uses less digits than its factorization.

213000230320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103213 (or 103207 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 213000230320 its reverse (23032000312), we get a palindrome (236032230632).

The spelling of 213000230320 in words is "two hundred thirteen billion, two hundred thirty thousand, three hundred twenty".