130031443 has 8 divisors (see below), whose sum is σ = 137910816. Its totient is φ = 122337600.

The previous prime is 130031437. The next prime is 130031449. The reversal of 130031443 is 344130031.

It is an interprime number because it is at equal distance from previous prime (130031437) and next prime (130031449).

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 130031443 - 2⁵ = 130031411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130031443.

It is not an unprimeable number, because it can be changed into a prime (130031449) 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, 44938 + ... + 47743.

It is an arithmetic number, because the mean of its divisors is an integer number (17238852).

Almost surely, 2^130031443 is an apocalyptic number.

130031443 is a deficient number, since it is larger than the sum of its proper divisors (7879373).

130031443 is an equidigital number, since it uses as much as digits as its factorization.

130031443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92765.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 130031443 is about 11403.1330343902. The cubic root of 130031443 is about 506.6205406320.

Adding to 130031443 its reverse (344130031), we get a palindrome (474161474).

The spelling of 130031443 in words is "one hundred thirty million, thirty-one thousand, four hundred forty-three".