131555135311 has 2 divisors, whose sum is σ = 131555135312. Its totient is φ = 131555135310.

The previous prime is 131555135287. The next prime is 131555135321. The reversal of 131555135311 is 113531555131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131555135311 - 2²¹ = 131553038159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131555135321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65777567655 + 65777567656.

It is an arithmetic number, because the mean of its divisors is an integer number (65777567656).

Almost surely, 2^131555135311 is an apocalyptic number.

131555135311 is a deficient number, since it is larger than the sum of its proper divisors (1).

131555135311 is an equidigital number, since it uses as much as digits as its factorization.

131555135311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16875, while the sum is 34.

The spelling of 131555135311 in words is "one hundred thirty-one billion, five hundred fifty-five million, one hundred thirty-five thousand, three hundred eleven".