213343120501 has 4 divisors (see below), whose sum is σ = 243820709152. Its totient is φ = 182865531852.

The previous prime is 213343120489. The next prime is 213343120519. The reversal of 213343120501 is 105021343312.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213343120501 - 2⁷ = 213343120373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213343100501) 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, 15238794315 + ... + 15238794328.

It is an arithmetic number, because the mean of its divisors is an integer number (60955177288).

Almost surely, 2^213343120501 is an apocalyptic number.

It is an amenable number.

213343120501 is a deficient number, since it is larger than the sum of its proper divisors (30477588651).

213343120501 is an equidigital number, since it uses as much as digits as its factorization.

213343120501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30477588650.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 213343120501 its reverse (105021343312), we get a palindrome (318364463813).

The spelling of 213343120501 in words is "two hundred thirteen billion, three hundred forty-three million, one hundred twenty thousand, five hundred one".