320332313402 has 8 divisors (see below), whose sum is σ = 483723292500. Its totient is φ = 159091215904.

The previous prime is 320332313387. The next prime is 320332313419. The reversal of 320332313402 is 204313233023.

It can be written as a sum of positive squares in 2 ways, for example, as 314867999161 + 5464314241 = 561131^2 + 73921^2 .

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

It is a super-2 number, since 2×320332313402² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537470027 + ... + 537470622.

Almost surely, 2^320332313402 is an apocalyptic number.

320332313402 is a deficient number, since it is larger than the sum of its proper divisors (163390979098).

320332313402 is a wasteful number, since it uses less digits than its factorization.

320332313402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074940800.

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 320332313402 its reverse (204313233023), we get a palindrome (524645546425).

The spelling of 320332313402 in words is "three hundred twenty billion, three hundred thirty-two million, three hundred thirteen thousand, four hundred two".