213131433230 has 8 divisors (see below), whose sum is σ = 383636579832. Its totient is φ = 85252573288.

The previous prime is 213131433191. The next prime is 213131433233. The reversal of 213131433230 is 32334131312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 213131433230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213131433233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10656571652 + ... + 10656571671.

It is an arithmetic number, because the mean of its divisors is an integer number (47954572479).

Almost surely, 2^213131433230 is an apocalyptic number.

213131433230 is a deficient number, since it is larger than the sum of its proper divisors (170505146602).

213131433230 is a wasteful number, since it uses less digits than its factorization.

213131433230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21313143330.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 213131433230 its reverse (32334131312), we get a palindrome (245465564542).

The spelling of 213131433230 in words is "two hundred thirteen billion, one hundred thirty-one million, four hundred thirty-three thousand, two hundred thirty".