321316030545 has 32 divisors (see below), whose sum is σ = 521452339200. Its totient is φ = 168920633280.

The previous prime is 321316030543. The next prime is 321316030549. The reversal of 321316030545 is 545030613123.

321316030545 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 321316030545 - 2¹ = 321316030543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (321316030543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5730556 + ... + 5786354.

It is an arithmetic number, because the mean of its divisors is an integer number (16295385600).

Almost surely, 2^321316030545 is an apocalyptic number.

It is an amenable number.

321316030545 is a deficient number, since it is larger than the sum of its proper divisors (200136308655).

321316030545 is a wasteful number, since it uses less digits than its factorization.

321316030545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61285.

The product of its (nonzero) digits is 32400, while the sum is 33.

Adding to 321316030545 its reverse (545030613123), we get a palindrome (866346643668).

The spelling of 321316030545 in words is "three hundred twenty-one billion, three hundred sixteen million, thirty thousand, five hundred forty-five".