322320020331 has 8 divisors (see below), whose sum is σ = 438903857664. Its totient is φ = 210308098280.

The previous prime is 322320020287. The next prime is 322320020359. The reversal of 322320020331 is 133020023223.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-322320020331 is a prime.

It is a super-2 number, since 2×322320020331² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 322320020298 and 322320020307.

It is not an unprimeable number, because it can be changed into a prime (322324020331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1142978655 + ... + 1142978936.

It is an arithmetic number, because the mean of its divisors is an integer number (54862982208).

Almost surely, 2^322320020331 is an apocalyptic number.

322320020331 is a deficient number, since it is larger than the sum of its proper divisors (116583837333).

322320020331 is a wasteful number, since it uses less digits than its factorization.

322320020331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2285957641.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 322320020331 its reverse (133020023223), we get a palindrome (455340043554).

The spelling of 322320020331 in words is "three hundred twenty-two billion, three hundred twenty million, twenty thousand, three hundred thirty-one".