131056851433 has 2 divisors, whose sum is σ = 131056851434. Its totient is φ = 131056851432.

The previous prime is 131056851407. The next prime is 131056851449. The reversal of 131056851433 is 334158650131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90843768409 + 40213083024 = 301403^2 + 200532^2 .

It is a cyclic number.

It is not a de Polignac number, because 131056851433 - 2³³ = 122466916841 is a prime.

It is not a weakly prime, because it can be changed into another prime (131056851733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65528425716 + 65528425717.

It is an arithmetic number, because the mean of its divisors is an integer number (65528425717).

Almost surely, 2^131056851433 is an apocalyptic number.

It is an amenable number.

131056851433 is a deficient number, since it is larger than the sum of its proper divisors (1).

131056851433 is an equidigital number, since it uses as much as digits as its factorization.

131056851433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 131056851433 in words is "one hundred thirty-one billion, fifty-six million, eight hundred fifty-one thousand, four hundred thirty-three".