320421141 has 12 divisors (see below), whose sum is σ = 463121568. Its totient is φ = 213479784.

The previous prime is 320421133. The next prime is 320421161. The reversal of 320421141 is 141124023.

It is not a de Polignac number, because 320421141 - 2³ = 320421133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320421161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5176 + ... + 25838.

It is an arithmetic number, because the mean of its divisors is an integer number (38593464).

Almost surely, 2^320421141 is an apocalyptic number.

It is an amenable number.

320421141 is a deficient number, since it is larger than the sum of its proper divisors (142700427).

320421141 is a wasteful number, since it uses less digits than its factorization.

320421141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22392 (or 22389 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 320421141 is about 17900.3111984122. The cubic root of 320421141 is about 684.2903058762.

Adding to 320421141 its reverse (141124023), we get a palindrome (461545164).

The spelling of 320421141 in words is "three hundred twenty million, four hundred twenty-one thousand, one hundred forty-one".