101312040461 has 2 divisors, whose sum is σ = 101312040462. Its totient is φ = 101312040460.

The previous prime is 101312040439. The next prime is 101312040491. The reversal of 101312040461 is 164040213101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97402664836 + 3909375625 = 312094^2 + 62525^2 .

It is a cyclic number.

It is not a de Polignac number, because 101312040461 - 2⁶ = 101312040397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101312040491) 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, 50656020230 + 50656020231.

It is an arithmetic number, because the mean of its divisors is an integer number (50656020231).

Almost surely, 2^101312040461 is an apocalyptic number.

It is an amenable number.

101312040461 is a deficient number, since it is larger than the sum of its proper divisors (1).

101312040461 is an equidigital number, since it uses as much as digits as its factorization.

101312040461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 101312040461 its reverse (164040213101), we get a palindrome (265352253562).

The spelling of 101312040461 in words is "one hundred one billion, three hundred twelve million, forty thousand, four hundred sixty-one".