3231320525 has 12 divisors (see below), whose sum is σ = 4010210964. Its totient is φ = 2582880000.

The previous prime is 3231320507. The next prime is 3231320567. The reversal of 3231320525 is 5250231323.

It can be written as a sum of positive squares in 6 ways, for example, as 525968356 + 2705352169 = 22934^2 + 52013^2 .

It is not a de Polignac number, because 3231320525 - 2⁶ = 3231320461 is a prime.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3231320494 and 3231320503.

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 23786 + ... + 83835.

It is an arithmetic number, because the mean of its divisors is an integer number (334184247).

Almost surely, 2^3231320525 is an apocalyptic number.

It is an amenable number.

3231320525 is a deficient number, since it is larger than the sum of its proper divisors (778890439).

3231320525 is a wasteful number, since it uses less digits than its factorization.

3231320525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108832 (or 108827 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 3231320525 is about 56844.7053383163. The cubic root of 3231320525 is about 1478.4047403687.

Adding to 3231320525 its reverse (5250231323), we get a palindrome (8481551848).

The spelling of 3231320525 in words is "three billion, two hundred thirty-one million, three hundred twenty thousand, five hundred twenty-five".