3130319987 has 8 divisors (see below), whose sum is σ = 3290266656. Its totient is φ = 2972360512.

The previous prime is 3130319963. The next prime is 3130320013. The reversal of 3130319987 is 7899130313.

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 3130319987 - 2¹² = 3130315891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3130319957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493568 + ... + 499869.

It is an arithmetic number, because the mean of its divisors is an integer number (411283332).

Almost surely, 2^3130319987 is an apocalyptic number.

3130319987 is a deficient number, since it is larger than the sum of its proper divisors (159946669).

3130319987 is a wasteful number, since it uses less digits than its factorization.

3130319987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993597.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 3130319987 is about 55949.2626135501. The cubic root of 3130319987 is about 1462.8380380320.

The spelling of 3130319987 in words is "three billion, one hundred thirty million, three hundred nineteen thousand, nine hundred eighty-seven".