541131321 has 4 divisors (see below), whose sum is σ = 721508432. Its totient is φ = 360754212.

The previous prime is 541131313. The next prime is 541131323. The reversal of 541131321 is 123131145.

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 not a de Polignac number, because 541131321 - 2³ = 541131313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (541131323) 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, 90188551 + ... + 90188556.

It is an arithmetic number, because the mean of its divisors is an integer number (180377108).

Almost surely, 2^541131321 is an apocalyptic number.

It is an amenable number.

541131321 is a deficient number, since it is larger than the sum of its proper divisors (180377111).

541131321 is a wasteful number, since it uses less digits than its factorization.

541131321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180377110.

The product of its digits is 360, while the sum is 21.

The square root of 541131321 is about 23262.2294933224. The cubic root of 541131321 is about 814.8935693505.

Adding to 541131321 its reverse (123131145), we get a palindrome (664262466).

The spelling of 541131321 in words is "five hundred forty-one million, one hundred thirty-one thousand, three hundred twenty-one".