213311033120 has 48 divisors (see below), whose sum is σ = 530470866240. Its totient is φ = 80833653504.

The previous prime is 213311033119. The next prime is 213311033123. The reversal of 213311033120 is 21330113312.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 213311033092 and 213311033101.

It is not an unprimeable number, because it can be changed into a prime (213311033123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35081012 + ... + 35087091.

It is an arithmetic number, because the mean of its divisors is an integer number (11051476380).

Almost surely, 2^213311033120 is an apocalyptic number.

213311033120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213311033120 is an abundant number, since it is smaller than the sum of its proper divisors (317159833120).

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

213311033120 is a wasteful number, since it uses less digits than its factorization.

213311033120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70168137 (or 70168129 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 213311033120 its reverse (21330113312), we get a palindrome (234641146432).

The spelling of 213311033120 in words is "two hundred thirteen billion, three hundred eleven million, thirty-three thousand, one hundred twenty".