320312140402 has 8 divisors (see below), whose sum is σ = 480477683376. Its totient is φ = 160152912612.

The previous prime is 320312140399. The next prime is 320312140417. The reversal of 320312140402 is 204041213023.

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

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 3 ways as a sum of consecutive naturals, for example, 1449888 + ... + 1656139.

It is an arithmetic number, because the mean of its divisors is an integer number (60059710422).

Almost surely, 2^320312140402 is an apocalyptic number.

320312140402 is a deficient number, since it is larger than the sum of its proper divisors (160165542974).

320312140402 is a wasteful number, since it uses less digits than its factorization.

320312140402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3157592.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 320312140402 its reverse (204041213023), we get a palindrome (524353353425).

The spelling of 320312140402 in words is "three hundred twenty billion, three hundred twelve million, one hundred forty thousand, four hundred two".