6331309057 has 16 divisors (see below), whose sum is σ = 6705936000. Its totient is φ = 5970343680.

The previous prime is 6331309051. The next prime is 6331309141. The reversal of 6331309057 is 7509031336.

It is a happy number.

It is not a de Polignac number, because 6331309057 - 2¹⁹ = 6330784769 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6331309051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134569 + ... + 175417.

It is an arithmetic number, because the mean of its divisors is an integer number (419121000).

Almost surely, 2^6331309057 is an apocalyptic number.

It is an amenable number.

6331309057 is a deficient number, since it is larger than the sum of its proper divisors (374626943).

6331309057 is a wasteful number, since it uses less digits than its factorization.

6331309057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41016.

The product of its (nonzero) digits is 51030, while the sum is 37.

The square root of 6331309057 is about 79569.5234182033. The cubic root of 6331309057 is about 1849.9692283170.

The spelling of 6331309057 in words is "six billion, three hundred thirty-one million, three hundred nine thousand, fifty-seven".