131214443 has 2 divisors, whose sum is σ = 131214444. Its totient is φ = 131214442.

The previous prime is 131214439. The next prime is 131214463. The reversal of 131214443 is 344412131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131214443 - 2² = 131214439 is a prime.

It is not a weakly prime, because it can be changed into another prime (131214403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65607221 + 65607222.

It is an arithmetic number, because the mean of its divisors is an integer number (65607222).

Almost surely, 2^131214443 is an apocalyptic number.

131214443 is a deficient number, since it is larger than the sum of its proper divisors (1).

131214443 is an equidigital number, since it uses as much as digits as its factorization.

131214443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 23.

The square root of 131214443 is about 11454.8872975687. The cubic root of 131214443 is about 508.1522821924.

Adding to 131214443 its reverse (344412131), we get a palindrome (475626574).

The spelling of 131214443 in words is "one hundred thirty-one million, two hundred fourteen thousand, four hundred forty-three".