131240104043444 has 48 divisors (see below), whose sum is σ = 257324636317056. Its totient is φ = 58041461865600.

The previous prime is 131240104043443. The next prime is 131240104043471. The reversal of 131240104043444 is 444340401042131.

It is a super-2 number, since 2×131240104043444² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131240104043443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118787414 + ... + 119887154.

It is an arithmetic number, because the mean of its divisors is an integer number (5360929923272).

Almost surely, 2^{131240104043444} is an apocalyptic number.

It is an amenable number.

131240104043444 is a deficient number, since it is larger than the sum of its proper divisors (126084532273612).

131240104043444 is a wasteful number, since it uses less digits than its factorization.

131240104043444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173096 (or 1173094 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 131240104043444 its reverse (444340401042131), we get a palindrome (575580505085575).

The spelling of 131240104043444 in words is "one hundred thirty-one trillion, two hundred forty billion, one hundred four million, forty-three thousand, four hundred forty-four".