131776602473 has 2 divisors, whose sum is σ = 131776602474. Its totient is φ = 131776602472.

The previous prime is 131776602437. The next prime is 131776602509. The reversal of 131776602473 is 374206677131.

Together with previous prime (131776602437) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (131776602437) and next prime (131776602509).

It can be written as a sum of positive squares in only one way, i.e., 116696025664 + 15080576809 = 341608^2 + 122803^2 .

It is a cyclic number.

It is not a de Polignac number, because 131776602473 - 2¹² = 131776598377 is a prime.

It is not a weakly prime, because it can be changed into another prime (131776602413) 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, 65888301236 + 65888301237.

It is an arithmetic number, because the mean of its divisors is an integer number (65888301237).

Almost surely, 2^131776602473 is an apocalyptic number.

It is an amenable number.

131776602473 is a deficient number, since it is larger than the sum of its proper divisors (1).

131776602473 is an equidigital number, since it uses as much as digits as its factorization.

131776602473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 889056, while the sum is 47.

The spelling of 131776602473 in words is "one hundred thirty-one billion, seven hundred seventy-six million, six hundred two thousand, four hundred seventy-three".