131420443 has 16 divisors (see below), whose sum is σ = 166945536. Its totient is φ = 100470240.

The previous prime is 131420441. The next prime is 131420447. The reversal of 131420443 is 344024131.

It is a cyclic number.

It is not a de Polignac number, because 131420443 - 2¹ = 131420441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131420441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12021 + ... + 20182.

It is an arithmetic number, because the mean of its divisors is an integer number (10434096).

Almost surely, 2^131420443 is an apocalyptic number.

131420443 is a deficient number, since it is larger than the sum of its proper divisors (35525093).

131420443 is a wasteful number, since it uses less digits than its factorization.

131420443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32274.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 131420443 is about 11463.8755663170. The cubic root of 131420443 is about 508.4180675614.

Adding to 131420443 its reverse (344024131), we get a palindrome (475444574).

The spelling of 131420443 in words is "one hundred thirty-one million, four hundred twenty thousand, four hundred forty-three".