131211244131024 has 80 divisors (see below), whose sum is σ = 342144926323200. Its totient is φ = 43326601118208.

The previous prime is 131211244131013. The next prime is 131211244131041. The reversal of 131211244131024 is 420131442112131.

It is a super-2 number, since 2×131211244131024² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131211244130982 and 131211244131000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21939862 + ... + 27272330.

It is an arithmetic number, because the mean of its divisors is an integer number (4276811579040).

Almost surely, 2^{131211244131024} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131211244131024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171072463161600).

131211244131024 is an abundant number, since it is smaller than the sum of its proper divisors (210933682192176).

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

131211244131024 is a wasteful number, since it uses less digits than its factorization.

131211244131024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5337292 (or 5337286 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

Adding to 131211244131024 its reverse (420131442112131), we get a palindrome (551342686243155).

The spelling of 131211244131024 in words is "one hundred thirty-one trillion, two hundred eleven billion, two hundred forty-four million, one hundred thirty-one thousand, twenty-four".