131443043122 has 8 divisors (see below), whose sum is σ = 197166147372. Its totient is φ = 65720994000.

The previous prime is 131443043117. The next prime is 131443043129. The reversal of 131443043122 is 221340344131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 118335312001 + 13107731121 = 343999^2 + 114489^2 .

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

It is not an unprimeable number, because it can be changed into a prime (131443043129) 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, 240372 + ... + 566272.

Almost surely, 2^131443043122 is an apocalyptic number.

131443043122 is a deficient number, since it is larger than the sum of its proper divisors (65723104250).

131443043122 is a wasteful number, since it uses less digits than its factorization.

131443043122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527564.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 131443043122 its reverse (221340344131), we get a palindrome (352783387253).

The spelling of 131443043122 in words is "one hundred thirty-one billion, four hundred forty-three million, forty-three thousand, one hundred twenty-two".