45311332321 has 8 divisors (see below), whose sum is σ = 47293856064. Its totient is φ = 43329847440.

The previous prime is 45311332301. The next prime is 45311332343. The reversal of 45311332321 is 12323311354.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45311332321 - 2¹³ = 45311324129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45311332321.

It is not an unprimeable number, because it can be changed into a prime (45311332301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169911 + ... + 345676.

It is an arithmetic number, because the mean of its divisors is an integer number (5911732008).

Almost surely, 2^45311332321 is an apocalyptic number.

It is an amenable number.

45311332321 is a deficient number, since it is larger than the sum of its proper divisors (1982523743).

45311332321 is a wasteful number, since it uses less digits than its factorization.

45311332321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519431.

The product of its digits is 6480, while the sum is 28.

Adding to 45311332321 its reverse (12323311354), we get a palindrome (57634643675).

The spelling of 45311332321 in words is "forty-five billion, three hundred eleven million, three hundred thirty-two thousand, three hundred twenty-one".