321420322410344 has 16 divisors (see below), whose sum is σ = 602721609974820. Its totient is φ = 160694559750400.

The previous prime is 321420322410287. The next prime is 321420322410373. The reversal of 321420322410344 is 443014223024123.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 320013816544900 + 1406505865444 = 17888930^2 + 1185962^2 .

It is a super-2 number, since 2×321420322410344² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1950094289 + ... + 1950259104.

Almost surely, 2^{321420322410344} is an apocalyptic number.

It is an amenable number.

321420322410344 is a deficient number, since it is larger than the sum of its proper divisors (281301287564476).

321420322410344 is a wasteful number, since it uses less digits than its factorization.

321420322410344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3900363700 (or 3900363696 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 321420322410344 its reverse (443014223024123), we get a palindrome (764434545434467).

The spelling of 321420322410344 in words is "three hundred twenty-one trillion, four hundred twenty billion, three hundred twenty-two million, four hundred ten thousand, three hundred forty-four".