321022340202340 has 36 divisors (see below), whose sum is σ = 784211716782396. Its totient is φ = 110064802354752.

The previous prime is 321022340202307. The next prime is 321022340202367. The reversal of 321022340202340 is 43202043220123.

It can be written as a sum of positive squares in 2 ways, for example, as 45007246057536 + 276015094144804 = 6708744^2 + 16613702^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 321022340202299 and 321022340202308.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163786907287 + ... + 163786909246.

It is an arithmetic number, because the mean of its divisors is an integer number (21783658799511).

Almost surely, 2^{321022340202340} is an apocalyptic number.

It is an amenable number.

321022340202340 is an abundant number, since it is smaller than the sum of its proper divisors (463189376580056).

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

321022340202340 is a wasteful number, since it uses less digits than its factorization.

321022340202340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327573816556 (or 327573816547 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 321022340202340 its reverse (43202043220123), we get a palindrome (364224383422463).

The spelling of 321022340202340 in words is "three hundred twenty-one trillion, twenty-two billion, three hundred forty million, two hundred two thousand, three hundred forty".