320343133213 has 8 divisors (see below), whose sum is σ = 321862101120. Its totient is φ = 318826092000.

The previous prime is 320343133211. The next prime is 320343133261. The reversal of 320343133213 is 312331343023.

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

It is a cyclic number.

It is not a de Polignac number, because 320343133213 - 2¹ = 320343133211 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 (320343133211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147808 + ... + 813961.

It is an arithmetic number, because the mean of its divisors is an integer number (40232762640).

Almost surely, 2^320343133213 is an apocalyptic number.

It is an amenable number.

320343133213 is a deficient number, since it is larger than the sum of its proper divisors (1518967907).

320343133213 is a wasteful number, since it uses less digits than its factorization.

320343133213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963347.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 320343133213 its reverse (312331343023), we get a palindrome (632674476236).

The spelling of 320343133213 in words is "three hundred twenty billion, three hundred forty-three million, one hundred thirty-three thousand, two hundred thirteen".