83131708841 has 2 divisors, whose sum is σ = 83131708842. Its totient is φ = 83131708840.

The previous prime is 83131708753. The next prime is 83131708853. The reversal of 83131708841 is 14880713138.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76895290000 + 6236418841 = 277300^2 + 78971^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83131708841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83131708792 and 83131708801.

It is not a weakly prime, because it can be changed into another prime (83131708441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41565854420 + 41565854421.

It is an arithmetic number, because the mean of its divisors is an integer number (41565854421).

Almost surely, 2^83131708841 is an apocalyptic number.

It is an amenable number.

83131708841 is a deficient number, since it is larger than the sum of its proper divisors (1).

83131708841 is an equidigital number, since it uses as much as digits as its factorization.

83131708841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 44.

The spelling of 83131708841 in words is "eighty-three billion, one hundred thirty-one million, seven hundred eight thousand, eight hundred forty-one".