320121233013 has 8 divisors (see below), whose sum is σ = 427742291808. Its totient is φ = 212957164784.

The previous prime is 320121233011. The next prime is 320121233027. The reversal of 320121233013 is 310332121023.

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 320121233013 - 2¹ = 320121233011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320121233011) 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, 114246006 + ... + 114248807.

It is an arithmetic number, because the mean of its divisors is an integer number (53467786476).

Almost surely, 2^320121233013 is an apocalyptic number.

It is an amenable number.

320121233013 is a deficient number, since it is larger than the sum of its proper divisors (107621058795).

320121233013 is a wasteful number, since it uses less digits than its factorization.

320121233013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228495283.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 320121233013 its reverse (310332121023), we get a palindrome (630453354036).

The spelling of 320121233013 in words is "three hundred twenty billion, one hundred twenty-one million, two hundred thirty-three thousand, thirteen".