131120201435444 has 24 divisors (see below), whose sum is σ = 251299473421920. Its totient is φ = 59491303909344.

The previous prime is 131120201435413. The next prime is 131120201435477. The reversal of 131120201435444 is 444534102021131.

It is a congruent number.

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, 21368999774 + ... + 21369005909.

It is an arithmetic number, because the mean of its divisors is an integer number (10470811392580).

Almost surely, 2^{131120201435444} is an apocalyptic number.

It is an amenable number.

131120201435444 is a deficient number, since it is larger than the sum of its proper divisors (120179271986476).

131120201435444 is a wasteful number, since it uses less digits than its factorization.

131120201435444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42738005759 (or 42738005757 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 131120201435444 its reverse (444534102021131), we get a palindrome (575654303456575).

The spelling of 131120201435444 in words is "one hundred thirty-one trillion, one hundred twenty billion, two hundred one million, four hundred thirty-five thousand, four hundred forty-four".