213131130220 has 12 divisors (see below), whose sum is σ = 447575373504. Its totient is φ = 85252452080.

The previous prime is 213131130211. The next prime is 213131130221. The reversal of 213131130220 is 22031131312.

It is not an unprimeable number, because it can be changed into a prime (213131130221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5328278236 + ... + 5328278275.

It is an arithmetic number, because the mean of its divisors is an integer number (37297947792).

Almost surely, 2^213131130220 is an apocalyptic number.

213131130220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213131130220 is an abundant number, since it is smaller than the sum of its proper divisors (234444243284).

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

213131130220 is a wasteful number, since it uses less digits than its factorization.

213131130220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10656556520 (or 10656556518 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 213131130220 its reverse (22031131312), we get a palindrome (235162261532).

The spelling of 213131130220 in words is "two hundred thirteen billion, one hundred thirty-one million, one hundred thirty thousand, two hundred twenty".