213041343021 has 8 divisors (see below), whose sum is σ = 305905518240. Its totient is φ = 131102364912.

The previous prime is 213041342981. The next prime is 213041343083. The reversal of 213041343021 is 120343140312.

It is a happy number.

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

It is not a de Polignac number, because 213041343021 - 2¹³ = 213041334829 is a prime.

It is a super-2 number, since 2×213041343021² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213041342982 and 213041343000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213041343091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2731299231 + ... + 2731299308.

It is an arithmetic number, because the mean of its divisors is an integer number (38238189780).

Almost surely, 2^213041343021 is an apocalyptic number.

It is an amenable number.

213041343021 is a deficient number, since it is larger than the sum of its proper divisors (92864175219).

213041343021 is a wasteful number, since it uses less digits than its factorization.

213041343021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5462598555.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 213041343021 its reverse (120343140312), we get a palindrome (333384483333).

The spelling of 213041343021 in words is "two hundred thirteen billion, forty-one million, three hundred forty-three thousand, twenty-one".