320022431351 has 16 divisors (see below), whose sum is σ = 387332622144. Its totient is φ = 258116964864.

The previous prime is 320022431341. The next prime is 320022431357. The reversal of 320022431351 is 153134220023.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 320022431351 - 2¹⁰ = 320022430327 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320022431351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320022431357) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 321401 + ... + 862173.

It is an arithmetic number, because the mean of its divisors is an integer number (24208288884).

Almost surely, 2^320022431351 is an apocalyptic number.

320022431351 is a deficient number, since it is larger than the sum of its proper divisors (67310190793).

320022431351 is a wasteful number, since it uses less digits than its factorization.

320022431351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545770.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 320022431351 its reverse (153134220023), we get a palindrome (473156651374).

The spelling of 320022431351 in words is "three hundred twenty billion, twenty-two million, four hundred thirty-one thousand, three hundred fifty-one".