321323125141 has 4 divisors (see below), whose sum is σ = 321324364300. Its totient is φ = 321321885984.

The previous prime is 321323125133. The next prime is 321323125183. The reversal of 321323125141 is 141521323123.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 83778986916 + 237544138225 = 289446^2 + 487385^2 .

It is a cyclic number.

It is not a de Polignac number, because 321323125141 - 2³ = 321323125133 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 (321323125841) 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, 65376 + ... + 804313.

It is an arithmetic number, because the mean of its divisors is an integer number (80331091075).

Almost surely, 2^321323125141 is an apocalyptic number.

It is an amenable number.

321323125141 is a deficient number, since it is larger than the sum of its proper divisors (1239159).

321323125141 is an equidigital number, since it uses as much as digits as its factorization.

321323125141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239158.

The product of its digits is 4320, while the sum is 28.

Adding to 321323125141 its reverse (141521323123), we get a palindrome (462844448264).

The spelling of 321323125141 in words is "three hundred twenty-one billion, three hundred twenty-three million, one hundred twenty-five thousand, one hundred forty-one".