320142213441 has 6 divisors (see below), whose sum is σ = 462427641650. Its totient is φ = 213428142288.

The previous prime is 320142213371. The next prime is 320142213473. The reversal of 320142213441 is 144312241023.

320142213441 is a `hidden beast` number, since 3 + 2 + 0 + 1 + 4 + 2 + 213 + 441 = 666.

It can be written as a sum of positive squares in only one way, i.e., 188982347841 + 131159865600 = 434721^2 + 362160^2 .

It is not a de Polignac number, because 320142213441 - 2¹⁰ = 320142212417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (320142215441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17785678516 + ... + 17785678533.

Almost surely, 2^320142213441 is an apocalyptic number.

It is an amenable number.

320142213441 is a deficient number, since it is larger than the sum of its proper divisors (142285428209).

320142213441 is a wasteful number, since it uses less digits than its factorization.

320142213441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35571357055 (or 35571357052 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 320142213441 its reverse (144312241023), we get a palindrome (464454454464).

The spelling of 320142213441 in words is "three hundred twenty billion, one hundred forty-two million, two hundred thirteen thousand, four hundred forty-one".