213431030004 has 24 divisors (see below), whose sum is σ = 501588515680. Its totient is φ = 70631851104.

The previous prime is 213431030003. The next prime is 213431030063. The reversal of 213431030004 is 400030134312.

213431030004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213431030003) 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 7 ways as a sum of consecutive naturals, for example, 63976459 + ... + 63979794.

Almost surely, 2^213431030004 is an apocalyptic number.

It is an amenable number.

213431030004 is an abundant number, since it is smaller than the sum of its proper divisors (288157485676).

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

213431030004 is a wasteful number, since it uses less digits than its factorization.

213431030004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127956399 (or 127956397 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 213431030004 its reverse (400030134312), we get a palindrome (613461164316).

The spelling of 213431030004 in words is "two hundred thirteen billion, four hundred thirty-one million, thirty thousand, four".