320312223102 has 32 divisors (see below), whose sum is σ = 683839307520. Its totient is φ = 99726560640.

The previous prime is 320312223089. The next prime is 320312223139. The reversal of 320312223102 is 201322213023.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19778923 + ... + 19795110.

It is an arithmetic number, because the mean of its divisors is an integer number (21369978360).

Almost surely, 2^320312223102 is an apocalyptic number.

320312223102 is an abundant number, since it is smaller than the sum of its proper divisors (363527084418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320312223102 is a wasteful number, since it uses less digits than its factorization.

320312223102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39574128.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 320312223102 its reverse (201322213023), we get a palindrome (521634436125).

The spelling of 320312223102 in words is "three hundred twenty billion, three hundred twelve million, two hundred twenty-three thousand, one hundred two".