131211301340424 has 32 divisors (see below), whose sum is σ = 335656817385120. Its totient is φ = 42719958575616.

The previous prime is 131211301340417. The next prime is 131211301340447. The reversal of 131211301340424 is 424043103112131.

It is a junction number, because it is equal to n+sod(n) for n = 131211301340391 and 131211301340400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63571365897 + ... + 63571367960.

It is an arithmetic number, because the mean of its divisors is an integer number (10489275543285).

Almost surely, 2^{131211301340424} is an apocalyptic number.

It is an amenable number.

131211301340424 is an abundant number, since it is smaller than the sum of its proper divisors (204445516044696).

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

131211301340424 is a wasteful number, since it uses less digits than its factorization.

131211301340424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127142733909 (or 127142733905 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 131211301340424 its reverse (424043103112131), we get a palindrome (555254404452555).

The spelling of 131211301340424 in words is "one hundred thirty-one trillion, two hundred eleven billion, three hundred one million, three hundred forty thousand, four hundred twenty-four".