3130681 has 8 divisors (see below), whose sum is σ = 3239424. Its totient is φ = 3023280.

The previous prime is 3130679. The next prime is 3130693. The reversal of 3130681 is 1860313.

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 3130681 - 2¹ = 3130679 is a prime.

It is a super-2 number, since 2×3130681² = 19602327047522, which contains 22 as substring.

3130681 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3137681) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6846 + ... + 7288.

It is an arithmetic number, because the mean of its divisors is an integer number (404928).

Almost surely, 2^3130681 is an apocalyptic number.

It is an amenable number.

3130681 is a deficient number, since it is larger than the sum of its proper divisors (108743).

3130681 is a wasteful number, since it uses less digits than its factorization.

3130681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 3130681 is about 1769.3730528071. The cubic root of 3130681 is about 146.2894271181.

Adding to 3130681 its reverse (1860313), we get a palindrome (4990994).

The spelling of 3130681 in words is "three million, one hundred thirty thousand, six hundred eighty-one".