131331310424461 has 24 divisors (see below), whose sum is σ = 154291517842560. Its totient is φ = 111455315883072.

The previous prime is 131331310424417. The next prime is 131331310424519. The reversal of 131331310424461 is 164424013133131.

It is a happy number.

It is not a de Polignac number, because 131331310424461 - 2⁹ = 131331310423949 is a prime.

It is a super-2 number, since 2×131331310424461² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131331310424461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131331310424401) 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, 23770440 + ... + 28769713.

It is an arithmetic number, because the mean of its divisors is an integer number (6428813243440).

Almost surely, 2^{131331310424461} is an apocalyptic number.

It is an amenable number.

131331310424461 is a deficient number, since it is larger than the sum of its proper divisors (22960207418099).

131331310424461 is a wasteful number, since it uses less digits than its factorization.

131331310424461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52540673 (or 52540666 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

Adding to 131331310424461 its reverse (164424013133131), we get a palindrome (295755323557592).

The spelling of 131331310424461 in words is "one hundred thirty-one trillion, three hundred thirty-one billion, three hundred ten million, four hundred twenty-four thousand, four hundred sixty-one".