312132631910549 has 2 divisors, whose sum is σ = 312132631910550. Its totient is φ = 312132631910548.

The previous prime is 312132631910527. The next prime is 312132631910557. The reversal of 312132631910549 is 945019136231213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 311310100816324 + 822531094225 = 17643982^2 + 906935^2 .

It is a cyclic number.

It is not a de Polignac number, because 312132631910549 - 2²⁰ = 312132630861973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312132631910497 and 312132631910506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312132631915549) 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, 156066315955274 + 156066315955275.

It is an arithmetic number, because the mean of its divisors is an integer number (156066315955275).

Almost surely, 2^{312132631910549} is an apocalyptic number.

It is an amenable number.

312132631910549 is a deficient number, since it is larger than the sum of its proper divisors (1).

312132631910549 is an equidigital number, since it uses as much as digits as its factorization.

312132631910549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1049760, while the sum is 50.

The spelling of 312132631910549 in words is "three hundred twelve trillion, one hundred thirty-two billion, six hundred thirty-one million, nine hundred ten thousand, five hundred forty-nine".