130131431443 has 4 divisors (see below), whose sum is σ = 140141541568. Its totient is φ = 120121321320.

The previous prime is 130131431401. The next prime is 130131431449. The reversal of 130131431443 is 344134131031.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-130131431443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130131431449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5005055043 + ... + 5005055068.

It is an arithmetic number, because the mean of its divisors is an integer number (35035385392).

Almost surely, 2^130131431443 is an apocalyptic number.

130131431443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

130131431443 is a deficient number, since it is larger than the sum of its proper divisors (10010110125).

130131431443 is a wasteful number, since it uses less digits than its factorization.

130131431443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10010110124.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 130131431443 its reverse (344134131031), we get a palindrome (474265562474).

The spelling of 130131431443 in words is "one hundred thirty billion, one hundred thirty-one million, four hundred thirty-one thousand, four hundred forty-three".