131021444401424 has 40 divisors (see below), whose sum is σ = 254014791819360. Its totient is φ = 65469242435328.

The previous prime is 131021444401399. The next prime is 131021444401427. The reversal of 131021444401424 is 424104444120131.

It is a super-3 number, since 3×131021444401424³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (131021444401427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1388200667 + ... + 1388295045.

It is an arithmetic number, because the mean of its divisors is an integer number (6350369795484).

Almost surely, 2^{131021444401424} is an apocalyptic number.

It is an amenable number.

131021444401424 is a deficient number, since it is larger than the sum of its proper divisors (122993347417936).

131021444401424 is a wasteful number, since it uses less digits than its factorization.

131021444401424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148407 (or 148401 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 35.

Adding to 131021444401424 its reverse (424104444120131), we get a palindrome (555125888521555).

The spelling of 131021444401424 in words is "one hundred thirty-one trillion, twenty-one billion, four hundred forty-four million, four hundred one thousand, four hundred twenty-four".