321471131004641 has 4 divisors (see below), whose sum is σ = 321617055260592. Its totient is φ = 321325206748692.

The previous prime is 321471131004631. The next prime is 321471131004703. The reversal of 321471131004641 is 146400131174123.

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 321471131004641 - 2²⁶ = 321471063895777 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321471131004595 and 321471131004604.

It is not an unprimeable number, because it can be changed into a prime (321471131004631) 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, 72962124671 + ... + 72962129076.

It is an arithmetic number, because the mean of its divisors is an integer number (80404263815148).

Almost surely, 2^{321471131004641} is an apocalyptic number.

It is an amenable number.

321471131004641 is a deficient number, since it is larger than the sum of its proper divisors (145924255951).

321471131004641 is a wasteful number, since it uses less digits than its factorization.

321471131004641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145924255950.

The product of its (nonzero) digits is 48384, while the sum is 38.

Adding to 321471131004641 its reverse (146400131174123), we get a palindrome (467871262178764).

The spelling of 321471131004641 in words is "three hundred twenty-one trillion, four hundred seventy-one billion, one hundred thirty-one million, four thousand, six hundred forty-one".