320545404101351 has 16 divisors (see below), whose sum is σ = 377170478966400. Its totient is φ = 268570815613920.

The previous prime is 320545404101261. The next prime is 320545404101413. The reversal of 320545404101351 is 153101404545023.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320545404101351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320545404101551) 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, 1742968901 + ... + 1743152798.

It is an arithmetic number, because the mean of its divisors is an integer number (23573154935400).

Almost surely, 2^{320545404101351} is an apocalyptic number.

320545404101351 is a deficient number, since it is larger than the sum of its proper divisors (56625074865049).

320545404101351 is a wasteful number, since it uses less digits than its factorization.

320545404101351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3486122366.

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 320545404101351 its reverse (153101404545023), we get a palindrome (473646808646374).

The spelling of 320545404101351 in words is "three hundred twenty trillion, five hundred forty-five billion, four hundred four million, one hundred one thousand, three hundred fifty-one".