213340322334331 has 4 divisors (see below), whose sum is σ = 213487352192664. Its totient is φ = 213193292476000.

The previous prime is 213340322334323. The next prime is 213340322334341. The reversal of 213340322334331 is 133433223043312.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213340322334331 - 2³ = 213340322334323 is a prime.

It is a super-2 number, since 2×213340322334331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213340322334311) 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 3 ways as a sum of consecutive naturals, for example, 73514926990 + ... + 73514929891.

It is an arithmetic number, because the mean of its divisors is an integer number (53371838048166).

Almost surely, 2^{213340322334331} is an apocalyptic number.

213340322334331 is a deficient number, since it is larger than the sum of its proper divisors (147029858333).

213340322334331 is a wasteful number, since it uses less digits than its factorization.

213340322334331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147029858332.

The product of its (nonzero) digits is 279936, while the sum is 37.

Adding to 213340322334331 its reverse (133433223043312), we get a palindrome (346773545377643).

The spelling of 213340322334331 in words is "two hundred thirteen trillion, three hundred forty billion, three hundred twenty-two million, three hundred thirty-four thousand, three hundred thirty-one".