320203033031312 has 40 divisors (see below), whose sum is σ = 634610876875776. Its totient is φ = 156470115263616.

The previous prime is 320203033031221. The next prime is 320203033031341. The reversal of 320203033031312 is 213130330302023.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1175835743 + ... + 1176108030.

Almost surely, 2^{320203033031312} is an apocalyptic number.

It is an amenable number.

320203033031312 is a deficient number, since it is larger than the sum of its proper divisors (314407843844464).

320203033031312 is a wasteful number, since it uses less digits than its factorization.

320203033031312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2351943975 (or 2351943969 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 320203033031312 its reverse (213130330302023), we get a palindrome (533333363333335).

The spelling of 320203033031312 in words is "three hundred twenty trillion, two hundred three billion, thirty-three million, thirty-one thousand, three hundred twelve".