63130131461 has 2 divisors, whose sum is σ = 63130131462. Its totient is φ = 63130131460.

The previous prime is 63130131457. The next prime is 63130131539. The reversal of 63130131461 is 16413103136.

63130131461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55093008961 + 8037122500 = 234719^2 + 89650^2 .

It is a cyclic number.

It is not a de Polignac number, because 63130131461 - 2² = 63130131457 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63130131661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31565065730 + 31565065731.

It is an arithmetic number, because the mean of its divisors is an integer number (31565065731).

Almost surely, 2^63130131461 is an apocalyptic number.

It is an amenable number.

63130131461 is a deficient number, since it is larger than the sum of its proper divisors (1).

63130131461 is an equidigital number, since it uses as much as digits as its factorization.

63130131461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

Adding to 63130131461 its reverse (16413103136), we get a palindrome (79543234597).

The spelling of 63130131461 in words is "sixty-three billion, one hundred thirty million, one hundred thirty-one thousand, four hundred sixty-one".