320702132405153 has 4 divisors (see below), whose sum is σ = 325095312301188. Its totient is φ = 316308952509120.

The previous prime is 320702132405147. The next prime is 320702132405233. The reversal of 320702132405153 is 351504231207023.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 272161831139584 + 48540301265569 = 16497328^2 + 6967087^2 .

It is not a de Polignac number, because 320702132405153 - 2³⁶ = 320633412928417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320702132405353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2196589947908 + ... + 2196589948053.

It is an arithmetic number, because the mean of its divisors is an integer number (81273828075297).

Almost surely, 2^{320702132405153} is an apocalyptic number.

It is an amenable number.

320702132405153 is a deficient number, since it is larger than the sum of its proper divisors (4393179896035).

320702132405153 is an equidigital number, since it uses as much as digits as its factorization.

320702132405153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4393179896034.

The product of its (nonzero) digits is 151200, while the sum is 38.

The spelling of 320702132405153 in words is "three hundred twenty trillion, seven hundred two billion, one hundred thirty-two million, four hundred five thousand, one hundred fifty-three".