346503143213 has 4 divisors (see below), whose sum is σ = 346839228768. Its totient is φ = 346167057660.

The previous prime is 346503143183. The next prime is 346503143237. The reversal of 346503143213 is 312341305643.

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 346503143213 - 2⁶ = 346503143149 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 (346503143243) 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, 168041231 + ... + 168043292.

It is an arithmetic number, because the mean of its divisors is an integer number (86709807192).

Almost surely, 2^346503143213 is an apocalyptic number.

It is an amenable number.

346503143213 is a deficient number, since it is larger than the sum of its proper divisors (336085555).

346503143213 is a wasteful number, since it uses less digits than its factorization.

346503143213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336085554.

The product of its (nonzero) digits is 77760, while the sum is 35.

Adding to 346503143213 its reverse (312341305643), we get a palindrome (658844448856).

The spelling of 346503143213 in words is "three hundred forty-six billion, five hundred three million, one hundred forty-three thousand, two hundred thirteen".