531331055 has 8 divisors (see below), whose sum is σ = 637728432. Its totient is φ = 424977408.

The previous prime is 531331051. The next prime is 531331117. The reversal of 531331055 is 550133135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 531331055 - 2² = 531331051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531331051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29204 + ... + 43766.

It is an arithmetic number, because the mean of its divisors is an integer number (79716054).

Almost surely, 2^531331055 is an apocalyptic number.

531331055 is a deficient number, since it is larger than the sum of its proper divisors (106397377).

531331055 is a wasteful number, since it uses less digits than its factorization.

531331055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21865.

The product of its (nonzero) digits is 3375, while the sum is 26.

The square root of 531331055 is about 23050.6194059943. The cubic root of 531331055 is about 809.9441383007.

The spelling of 531331055 in words is "five hundred thirty-one million, three hundred thirty-one thousand, fifty-five".