321101042545 has 32 divisors (see below), whose sum is σ = 401438612736. Its totient is φ = 246369715200.

The previous prime is 321101042531. The next prime is 321101042551. The reversal of 321101042545 is 545240101123.

It is not a de Polignac number, because 321101042545 - 2⁷ = 321101042417 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5018797 + ... + 5082373.

It is an arithmetic number, because the mean of its divisors is an integer number (12544956648).

Almost surely, 2^321101042545 is an apocalyptic number.

It is an amenable number.

321101042545 is a deficient number, since it is larger than the sum of its proper divisors (80337570191).

321101042545 is a wasteful number, since it uses less digits than its factorization.

321101042545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64041.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 321101042545 its reverse (545240101123), we get a palindrome (866341143668).

The spelling of 321101042545 in words is "three hundred twenty-one billion, one hundred one million, forty-two thousand, five hundred forty-five".