213023021130 has 48 divisors (see below), whose sum is σ = 555016250880. Its totient is φ = 56687534304.

The previous prime is 213023021119. The next prime is 213023021147. The reversal of 213023021130 is 31120320312.

213023021130 is a `hidden beast` number, since 21 + 302 + 302 + 11 + 30 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2427582 + ... + 2513801.

It is an arithmetic number, because the mean of its divisors is an integer number (11562838560).

Almost surely, 2^213023021130 is an apocalyptic number.

213023021130 is an abundant number, since it is smaller than the sum of its proper divisors (341993229750).

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

213023021130 is a wasteful number, since it uses less digits than its factorization.

213023021130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4941875 (or 4941872 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 213023021130 its reverse (31120320312), we get a palindrome (244143341442).

The spelling of 213023021130 in words is "two hundred thirteen billion, twenty-three million, twenty-one thousand, one hundred thirty".