131334430277 has 2 divisors, whose sum is σ = 131334430278. Its totient is φ = 131334430276.

The previous prime is 131334430219. The next prime is 131334430301. The reversal of 131334430277 is 772034433131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99650074276 + 31684356001 = 315674^2 + 178001^2 .

It is a cyclic number.

It is not a de Polignac number, because 131334430277 - 2¹⁴ = 131334413893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131334430277.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131334430207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65667215138 + 65667215139.

It is an arithmetic number, because the mean of its divisors is an integer number (65667215139).

Almost surely, 2^131334430277 is an apocalyptic number.

It is an amenable number.

131334430277 is a deficient number, since it is larger than the sum of its proper divisors (1).

131334430277 is an equidigital number, since it uses as much as digits as its factorization.

131334430277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 38.

The spelling of 131334430277 in words is "one hundred thirty-one billion, three hundred thirty-four million, four hundred thirty thousand, two hundred seventy-seven".