131203551552077 has 2 divisors, whose sum is σ = 131203551552078. Its totient is φ = 131203551552076.

The previous prime is 131203551552019. The next prime is 131203551552163. The reversal of 131203551552077 is 770255155302131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78199604046916 + 53003947505161 = 8843054^2 + 7280381^2 .

It is a cyclic number.

It is not a de Polignac number, because 131203551552077 - 2³⁶ = 131134832075341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131203551252077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65601775776038 + 65601775776039.

It is an arithmetic number, because the mean of its divisors is an integer number (65601775776039).

Almost surely, 2^{131203551552077} is an apocalyptic number.

It is an amenable number.

131203551552077 is a deficient number, since it is larger than the sum of its proper divisors (1).

131203551552077 is an equidigital number, since it uses as much as digits as its factorization.

131203551552077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1102500, while the sum is 47.

The spelling of 131203551552077 in words is "one hundred thirty-one trillion, two hundred three billion, five hundred fifty-one million, five hundred fifty-two thousand, seventy-seven".