545323303231 has 32 divisors (see below), whose sum is σ = 638142658560. Its totient is φ = 456286715136.

The previous prime is 545323303181. The next prime is 545323303241. The reversal of 545323303231 is 132303323545.

It is not a de Polignac number, because 545323303231 - 2¹³ = 545323295039 is a prime.

It is a super-2 number, since 2×545323303231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545323303241) 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, 335170240 + ... + 335171866.

It is an arithmetic number, because the mean of its divisors is an integer number (19941958080).

Almost surely, 2^545323303231 is an apocalyptic number.

545323303231 is a deficient number, since it is larger than the sum of its proper divisors (92819355329).

545323303231 is a wasteful number, since it uses less digits than its factorization.

545323303231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3703.

The product of its (nonzero) digits is 97200, while the sum is 34.

Adding to 545323303231 its reverse (132303323545), we get a palindrome (677626626776).

The spelling of 545323303231 in words is "five hundred forty-five billion, three hundred twenty-three million, three hundred three thousand, two hundred thirty-one".