312154244641 has 2 divisors, whose sum is σ = 312154244642. Its totient is φ = 312154244640.

The previous prime is 312154244627. The next prime is 312154244657. The reversal of 312154244641 is 146442451213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 305963859600 + 6190385041 = 553140^2 + 78679^2 .

It is a cyclic number.

It is not a de Polignac number, because 312154244641 - 2²⁹ = 311617373729 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 312154244641.

It is not a weakly prime, because it can be changed into another prime (312154244621) 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, 156077122320 + 156077122321.

It is an arithmetic number, because the mean of its divisors is an integer number (156077122321).

Almost surely, 2^312154244641 is an apocalyptic number.

It is an amenable number.

312154244641 is a deficient number, since it is larger than the sum of its proper divisors (1).

312154244641 is an equidigital number, since it uses as much as digits as its factorization.

312154244641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92160, while the sum is 37.

Adding to 312154244641 its reverse (146442451213), we get a palindrome (458596695854).

The spelling of 312154244641 in words is "three hundred twelve billion, one hundred fifty-four million, two hundred forty-four thousand, six hundred forty-one".