213231000004 has 96 divisors (see below), whose sum is σ = 421373030400. Its totient is φ = 93594009600.

The previous prime is 213231000001. The next prime is 213231000007. The reversal of 213231000004 is 400000132312.

It is a happy number.

213231000004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (213231000001) and next prime (213231000007).

It is not an unprimeable number, because it can be changed into a prime (213231000001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33060972 + ... + 33067420.

It is an arithmetic number, because the mean of its divisors is an integer number (4389302400).

Almost surely, 2^213231000004 is an apocalyptic number.

It is an amenable number.

213231000004 is a deficient number, since it is larger than the sum of its proper divisors (208142030396).

213231000004 is a wasteful number, since it uses less digits than its factorization.

213231000004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6749 (or 6747 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 213231000004 its reverse (400000132312), we get a palindrome (613231132316).

The spelling of 213231000004 in words is "two hundred thirteen billion, two hundred thirty-one million, four", and thus it is an aban number.