131244444434 has 8 divisors (see below), whose sum is σ = 196946151948. Its totient is φ = 65595727120.

The previous prime is 131244444407. The next prime is 131244444449. The reversal of 131244444434 is 434444442131.

It can be written as a sum of positive squares in 2 ways, for example, as 124577232025 + 6667212409 = 352955^2 + 81653^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13241357 + ... + 13251264.

Almost surely, 2^131244444434 is an apocalyptic number.

131244444434 is a deficient number, since it is larger than the sum of its proper divisors (65701707514).

131244444434 is a wasteful number, since it uses less digits than its factorization.

131244444434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26495100.

The product of its digits is 294912, while the sum is 38.

Adding to 131244444434 its reverse (434444442131), we get a palindrome (565688886565).

The spelling of 131244444434 in words is "one hundred thirty-one billion, two hundred forty-four million, four hundred forty-four thousand, four hundred thirty-four".