320231203122 has 16 divisors (see below), whose sum is σ = 640470448800. Its totient is φ = 106742393952.

The previous prime is 320231203099. The next prime is 320231203151. The reversal of 320231203122 is 221302132023.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265254 + ... + 843102.

It is an arithmetic number, because the mean of its divisors is an integer number (40029403050).

Almost surely, 2^320231203122 is an apocalyptic number.

320231203122 is an abundant number, since it is smaller than the sum of its proper divisors (320239245678).

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

320231203122 is a wasteful number, since it uses less digits than its factorization.

320231203122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670217.

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

Adding to 320231203122 its reverse (221302132023), we get a palindrome (541533335145).

The spelling of 320231203122 in words is "three hundred twenty billion, two hundred thirty-one million, two hundred three thousand, one hundred twenty-two".