321131341 has 4 divisors (see below), whose sum is σ = 321186784. Its totient is φ = 321075900.

The previous prime is 321131339. The next prime is 321131347. The reversal of 321131341 is 143131123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 321131341 - 2¹ = 321131339 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 (321131347) 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, 17865 + ... + 31006.

It is an arithmetic number, because the mean of its divisors is an integer number (80296696).

Almost surely, 2^321131341 is an apocalyptic number.

It is an amenable number.

321131341 is a deficient number, since it is larger than the sum of its proper divisors (55443).

321131341 is an equidigital number, since it uses as much as digits as its factorization.

321131341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55442.

The product of its digits is 216, while the sum is 19.

The square root of 321131341 is about 17920.1378621929. The cubic root of 321131341 is about 684.7954997195.

Adding to 321131341 its reverse (143131123), we get a palindrome (464262464).

The spelling of 321131341 in words is "three hundred twenty-one million, one hundred thirty-one thousand, three hundred forty-one".