320134044155 has 16 divisors (see below), whose sum is σ = 400908135744. Its totient is φ = 244944860160.

The previous prime is 320134044149. The next prime is 320134044157. The reversal of 320134044155 is 551440431023.

It is not a de Polignac number, because 320134044155 - 2¹⁸ = 320133782011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320134044157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 914195 + ... + 1214915.

It is an arithmetic number, because the mean of its divisors is an integer number (25056758484).

Almost surely, 2^320134044155 is an apocalyptic number.

320134044155 is a deficient number, since it is larger than the sum of its proper divisors (80774091589).

320134044155 is a wasteful number, since it uses less digits than its factorization.

320134044155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310006.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 320134044155 its reverse (551440431023), we get a palindrome (871574475178).

The spelling of 320134044155 in words is "three hundred twenty billion, one hundred thirty-four million, forty-four thousand, one hundred fifty-five".