320144551340103 has 96 divisors (see below), whose sum is σ = 553549569720000. Its totient is φ = 182334569598720.

The previous prime is 320144551340021. The next prime is 320144551340129. The reversal of 320144551340103 is 301043155441023.

320144551340103 is a `hidden beast` number, since 3 + 20 + 1 + 44 + 551 + 3 + 40 + 1 + 0 + 3 = 666.

It is not a de Polignac number, because 320144551340103 - 2¹² = 320144551336007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320144551340203) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1047505773 + ... + 1047811353.

It is an arithmetic number, because the mean of its divisors is an integer number (5766141351250).

Almost surely, 2^{320144551340103} is an apocalyptic number.

320144551340103 is a deficient number, since it is larger than the sum of its proper divisors (233405018379897).

320144551340103 is a wasteful number, since it uses less digits than its factorization.

320144551340103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308222 (or 308209 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 320144551340103 in words is "three hundred twenty trillion, one hundred forty-four billion, five hundred fifty-one million, three hundred forty thousand, one hundred three".