213431041032420 has 96 divisors (see below), whose sum is σ = 599213757542400. Its totient is φ = 56761934725120.

The previous prime is 213431041032413. The next prime is 213431041032421. The reversal of 213431041032420 is 24230140134312.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (213431041032421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 301166656 + ... + 301874504.

It is an arithmetic number, because the mean of its divisors is an integer number (6241809974400).

Almost surely, 2^{213431041032420} is an apocalyptic number.

213431041032420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213431041032420 is an abundant number, since it is smaller than the sum of its proper divisors (385782716509980).

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

213431041032420 is a wasteful number, since it uses less digits than its factorization.

213431041032420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721365 (or 721363 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 213431041032420 its reverse (24230140134312), we get a palindrome (237661181166732).

The spelling of 213431041032420 in words is "two hundred thirteen trillion, four hundred thirty-one billion, forty-one million, thirty-two thousand, four hundred twenty".