131330634443 has 8 divisors (see below), whose sum is σ = 139018796400. Its totient is φ = 123853107168.

The previous prime is 131330634439. The next prime is 131330634469. The reversal of 131330634443 is 344436033131.

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 131330634443 - 2² = 131330634439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131330634403) 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, 52657388 + ... + 52659881.

It is an arithmetic number, because the mean of its divisors is an integer number (17377349550).

Almost surely, 2^131330634443 is an apocalyptic number.

131330634443 is a deficient number, since it is larger than the sum of its proper divisors (7688161957).

131330634443 is a wasteful number, since it uses less digits than its factorization.

131330634443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105317341.

The product of its (nonzero) digits is 93312, while the sum is 35.

Adding to 131330634443 its reverse (344436033131), we get a palindrome (475766667574).

The spelling of 131330634443 in words is "one hundred thirty-one billion, three hundred thirty million, six hundred thirty-four thousand, four hundred forty-three".