131423133102444 has 72 divisors (see below), whose sum is σ = 332783615131968. Its totient is φ = 43731872563680.

The previous prime is 131423133102433. The next prime is 131423133102449. The reversal of 131423133102444 is 444201331324131.

131423133102444 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 2 + 313 + 310 + 24 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 131423133102399 and 131423133102408.

It is not an unprimeable number, because it can be changed into a prime (131423133102449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1094302839 + ... + 1094422929.

Almost surely, 2^{131423133102444} is an apocalyptic number.

It is an amenable number.

131423133102444 is an abundant number, since it is smaller than the sum of its proper divisors (201360482029524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131423133102444 is a wasteful number, since it uses less digits than its factorization.

131423133102444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172475 (or 172470 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

Adding to 131423133102444 its reverse (444201331324131), we get a palindrome (575624464426575).

The spelling of 131423133102444 in words is "one hundred thirty-one trillion, four hundred twenty-three billion, one hundred thirty-three million, one hundred two thousand, four hundred forty-four".