3231322545 has 96 divisors (see below), whose sum is σ = 5878438272. Its totient is φ = 1513600000.

The previous prime is 3231322519. The next prime is 3231322547. The reversal of 3231322545 is 5452231323.

It is not a de Polignac number, because 3231322545 - 2⁵ = 3231322513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3231322547) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12873670 + ... + 12873920.

It is an arithmetic number, because the mean of its divisors is an integer number (61233732).

Almost surely, 2^3231322545 is an apocalyptic number.

It is an amenable number.

3231322545 is a deficient number, since it is larger than the sum of its proper divisors (2647115727).

3231322545 is a wasteful number, since it uses less digits than its factorization.

3231322545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495 (or 484 counting only the distinct ones).

The product of its digits is 21600, while the sum is 30.

The square root of 3231322545 is about 56844.7231060193. The cubic root of 3231322545 is about 1478.4050484344.

Adding to 3231322545 its reverse (5452231323), we get a palindrome (8683553868).

The spelling of 3231322545 in words is "three billion, two hundred thirty-one million, three hundred twenty-two thousand, five hundred forty-five".