320202032313 has 64 divisors (see below), whose sum is σ = 448498778112. Its totient is φ = 203046392640.

The previous prime is 320202032291. The next prime is 320202032323. The reversal of 320202032313 is 313230202023.

It is not a de Polignac number, because 320202032313 - 2¹⁷ = 320201901241 is a prime.

It is a super-2 number, since 2×320202032313² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 320202032313.

It is not an unprimeable number, because it can be changed into a prime (320202032323) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 234236356 + ... + 234237722.

It is an arithmetic number, because the mean of its divisors is an integer number (7007793408).

Almost surely, 2^320202032313 is an apocalyptic number.

It is an amenable number.

320202032313 is a deficient number, since it is larger than the sum of its proper divisors (128296745799).

320202032313 is a wasteful number, since it uses less digits than its factorization.

320202032313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 320202032313 its reverse (313230202023), we get a palindrome (633432234336).

The spelling of 320202032313 in words is "three hundred twenty billion, two hundred two million, thirty-two thousand, three hundred thirteen".