213134323300420 has 48 divisors (see below), whose sum is σ = 471141443908800. Its totient is φ = 80766277200000.

The previous prime is 213134323300403. The next prime is 213134323300433. The reversal of 213134323300420 is 24003323431312.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 78719170 + ... + 81381670.

It is an arithmetic number, because the mean of its divisors is an integer number (9815446748100).

Almost surely, 2^{213134323300420} is an apocalyptic number.

213134323300420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213134323300420 is an abundant number, since it is smaller than the sum of its proper divisors (258007120608380).

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

213134323300420 is a wasteful number, since it uses less digits than its factorization.

213134323300420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2873188 (or 2873186 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 213134323300420 its reverse (24003323431312), we get a palindrome (237137646731732).

The spelling of 213134323300420 in words is "two hundred thirteen trillion, one hundred thirty-four billion, three hundred twenty-three million, three hundred thousand, four hundred twenty".