321041345045 has 4 divisors (see below), whose sum is σ = 385249614060. Its totient is φ = 256833076032.

The previous prime is 321041345039. The next prime is 321041345063. The reversal of 321041345045 is 540543140123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 250537288369 + 70504056676 = 500537^2 + 265526^2 .

It is a cyclic number.

It is not a de Polignac number, because 321041345045 - 2⁴ = 321041345029 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32104134500 + ... + 32104134509.

It is an arithmetic number, because the mean of its divisors is an integer number (96312403515).

Almost surely, 2^321041345045 is an apocalyptic number.

It is an amenable number.

321041345045 is a deficient number, since it is larger than the sum of its proper divisors (64208269015).

321041345045 is an equidigital number, since it uses as much as digits as its factorization.

321041345045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64208269014.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 321041345045 its reverse (540543140123), we get a palindrome (861584485168).

The spelling of 321041345045 in words is "three hundred twenty-one billion, forty-one million, three hundred forty-five thousand, forty-five".