131450730277 has 2 divisors, whose sum is σ = 131450730278. Its totient is φ = 131450730276.

The previous prime is 131450730269. The next prime is 131450730311. The reversal of 131450730277 is 772037054131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129172672836 + 2278057441 = 359406^2 + 47729^2 .

It is a cyclic number.

It is not a de Polignac number, because 131450730277 - 2³ = 131450730269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131460730277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65725365138 + 65725365139.

It is an arithmetic number, because the mean of its divisors is an integer number (65725365139).

Almost surely, 2^131450730277 is an apocalyptic number.

It is an amenable number.

131450730277 is a deficient number, since it is larger than the sum of its proper divisors (1).

131450730277 is an equidigital number, since it uses as much as digits as its factorization.

131450730277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 123480, while the sum is 40.

The spelling of 131450730277 in words is "one hundred thirty-one billion, four hundred fifty million, seven hundred thirty thousand, two hundred seventy-seven".