321343100541 has 24 divisors (see below), whose sum is σ = 471823053624. Its totient is φ = 210693749760.

The previous prime is 321343100509. The next prime is 321343100567. The reversal of 321343100541 is 145001343123.

It is a happy number.

321343100541 is a `hidden beast` number, since 3 + 2 + 13 + 4 + 3 + 100 + 541 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 340402500 + 321002698041 = 18450^2 + 566571^2 .

It is not a de Polignac number, because 321343100541 - 2⁵ = 321343100509 is a prime.

It is a super-2 number, since 2×321343100541² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321343100581) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6043825 + ... + 6096761.

It is an arithmetic number, because the mean of its divisors is an integer number (19659293901).

Almost surely, 2^321343100541 is an apocalyptic number.

It is an amenable number.

321343100541 is a deficient number, since it is larger than the sum of its proper divisors (150479953083).

321343100541 is a wasteful number, since it uses less digits than its factorization.

321343100541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64061 (or 64058 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 321343100541 its reverse (145001343123), we get a palindrome (466344443664).

The spelling of 321343100541 in words is "three hundred twenty-one billion, three hundred forty-three million, one hundred thousand, five hundred forty-one".