131023002444444 has 72 divisors (see below), whose sum is σ = 380321952890880. Its totient is φ = 37614259072800.

The previous prime is 131023002444437. The next prime is 131023002444457. The reversal of 131023002444444 is 444444200320131.

131023002444444 is a `hidden beast` number, since 1 + 3 + 102 + 300 + 244 + 4 + 4 + 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 = 131023002444399 and 131023002444408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8706996892 + ... + 8707011939.

Almost surely, 2^{131023002444444} is an apocalyptic number.

It is an amenable number.

131023002444444 is an abundant number, since it is smaller than the sum of its proper divisors (249298950446436).

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

131023002444444 is a wasteful number, since it uses less digits than its factorization.

131023002444444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17414008871 (or 17414008866 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

Adding to 131023002444444 its reverse (444444200320131), we get a palindrome (575467202764575).

The spelling of 131023002444444 in words is "one hundred thirty-one trillion, twenty-three billion, two million, four hundred forty-four thousand, four hundred forty-four".