3231238505 has 16 divisors (see below), whose sum is σ = 4231208448. Its totient is φ = 2349312000.

The previous prime is 3231238499. The next prime is 3231238511. The reversal of 3231238505 is 5058321323.

It is an interprime number because it is at equal distance from previous prime (3231238499) and next prime (3231238511).

It is not a de Polignac number, because 3231238505 - 2¹⁶ = 3231172969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259625 + ... + 271785.

It is an arithmetic number, because the mean of its divisors is an integer number (264450528).

Almost surely, 2^3231238505 is an apocalyptic number.

It is an amenable number.

3231238505 is a deficient number, since it is larger than the sum of its proper divisors (999969943).

3231238505 is a wasteful number, since it uses less digits than its factorization.

3231238505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17008.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 3231238505 is about 56843.9838945160. The cubic root of 3231238505 is about 1478.3922315733.

Adding to 3231238505 its reverse (5058321323), we get a palindrome (8289559828).

The spelling of 3231238505 in words is "three billion, two hundred thirty-one million, two hundred thirty-eight thousand, five hundred five".