131201444004104 has 32 divisors (see below), whose sum is σ = 249154875444600. Its totient is φ = 64762443694080.

The previous prime is 131201444004067. The next prime is 131201444004151. The reversal of 131201444004104 is 401400444102131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 130820752536100 + 380691468004 = 11437690^2 + 617002^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143281277 + ... + 144194060.

Almost surely, 2^{131201444004104} is an apocalyptic number.

It is an amenable number.

131201444004104 is a deficient number, since it is larger than the sum of its proper divisors (117953431440496).

131201444004104 is a wasteful number, since it uses less digits than its factorization.

131201444004104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287476073 (or 287476069 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 131201444004104 its reverse (401400444102131), we get a palindrome (532601888106235).

The spelling of 131201444004104 in words is "one hundred thirty-one trillion, two hundred one billion, four hundred forty-four million, four thousand, one hundred four".