4331320551 has 12 divisors (see below), whose sum is σ = 6258200520. Its totient is φ = 2886693840.

The previous prime is 4331320531. The next prime is 4331320559. The reversal of 4331320551 is 1550231334.

4331320551 is a `hidden beast` number, since 4 + 331 + 320 + 5 + 5 + 1 = 666.

4331320551 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4331320551 - 2⁵ = 4331320519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4331320559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38145 + ... + 100586.

It is an arithmetic number, because the mean of its divisors is an integer number (521516710).

Almost surely, 2^4331320551 is an apocalyptic number.

4331320551 is a deficient number, since it is larger than the sum of its proper divisors (1926879969).

4331320551 is a wasteful number, since it uses less digits than its factorization.

4331320551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142206 (or 142203 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 4331320551 is about 65812.7689054335. The cubic root of 4331320551 is about 1630.0719542427.

Adding to 4331320551 its reverse (1550231334), we get a palindrome (5881551885).

The spelling of 4331320551 in words is "four billion, three hundred thirty-one million, three hundred twenty thousand, five hundred fifty-one".