131042402111044 has 24 divisors (see below), whose sum is σ = 229349958853400. Its totient is φ = 65513842917120.

The previous prime is 131042402110993. The next prime is 131042402111069. The reversal of 131042402111044 is 440111204240131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 104888076454144 + 26154325656900 = 10241488^2 + 5114130^2 .

It is a super-2 number, since 2×131042402111044² (a number of 29 digits) contains 22 as substring.

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, 1686717352 + ... + 1686795040.

Almost surely, 2^{131042402111044} is an apocalyptic number.

It is an amenable number.

131042402111044 is a deficient number, since it is larger than the sum of its proper divisors (98307556742356).

131042402111044 is a wasteful number, since it uses less digits than its factorization.

131042402111044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119623 (or 119621 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 131042402111044 its reverse (440111204240131), we get a palindrome (571153606351175).

The spelling of 131042402111044 in words is "one hundred thirty-one trillion, forty-two billion, four hundred two million, one hundred eleven thousand, forty-four".