83130681 has 8 divisors (see below), whose sum is σ = 116674720. Its totient is φ = 52503552.

The previous prime is 83130679. The next prime is 83130683. The reversal of 83130681 is 18603138.

It is an interprime number because it is at equal distance from previous prime (83130679) and next prime (83130683).

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

It is not a de Polignac number, because 83130681 - 2¹ = 83130679 is a prime.

It is a super-2 number, since 2×83130681² = 13821420247047522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83130683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 729160 + ... + 729273.

It is an arithmetic number, because the mean of its divisors is an integer number (14584340).

Almost surely, 2^83130681 is an apocalyptic number.

It is an amenable number.

83130681 is a deficient number, since it is larger than the sum of its proper divisors (33544039).

83130681 is a wasteful number, since it uses less digits than its factorization.

83130681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458455.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 83130681 is about 9117.6028099496. The cubic root of 83130681 is about 436.4358787313.

The spelling of 83130681 in words is "eighty-three million, one hundred thirty thousand, six hundred eighty-one".