320121342434344 has 16 divisors (see below), whose sum is σ = 654793654979520. Its totient is φ = 145509701106480.

The previous prime is 320121342434317. The next prime is 320121342434359. The reversal of 320121342434344 is 443434243121023.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 320121342434297 and 320121342434306.

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, 1818871263744 + ... + 1818871263919.

It is an arithmetic number, because the mean of its divisors is an integer number (40924603436220).

Almost surely, 2^{320121342434344} is an apocalyptic number.

It is an amenable number.

320121342434344 is an abundant number, since it is smaller than the sum of its proper divisors (334672312545176).

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

320121342434344 is a wasteful number, since it uses less digits than its factorization.

320121342434344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3637742527680 (or 3637742527676 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 40.

Adding to 320121342434344 its reverse (443434243121023), we get a palindrome (763555585555367).

The spelling of 320121342434344 in words is "three hundred twenty trillion, one hundred twenty-one billion, three hundred forty-two million, four hundred thirty-four thousand, three hundred forty-four".