131116341026420 has 12 divisors (see below), whose sum is σ = 275344316155524. Its totient is φ = 52446536410560.

The previous prime is 131116341026243. The next prime is 131116341026441. The reversal of 131116341026420 is 24620143611131.

It can be written as a sum of positive squares in 2 ways, for example, as 74980463083876 + 56135877942544 = 8659126^2 + 7492388^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3277908525641 + ... + 3277908525680.

It is an arithmetic number, because the mean of its divisors is an integer number (22945359679627).

Almost surely, 2^{131116341026420} is an apocalyptic number.

131116341026420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131116341026420 is an abundant number, since it is smaller than the sum of its proper divisors (144227975129104).

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

131116341026420 is a wasteful number, since it uses less digits than its factorization.

131116341026420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6555817051330 (or 6555817051328 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

Adding to 131116341026420 its reverse (24620143611131), we get a palindrome (155736484637551).

The spelling of 131116341026420 in words is "one hundred thirty-one trillion, one hundred sixteen billion, three hundred forty-one million, twenty-six thousand, four hundred twenty".