312319378747 has 2 divisors, whose sum is σ = 312319378748. Its totient is φ = 312319378746.

The previous prime is 312319378727. The next prime is 312319378823. The reversal of 312319378747 is 747873913213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312319378747 - 2¹⁵ = 312319345979 is a prime.

It is not a weakly prime, because it can be changed into another prime (312319378717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156159689373 + 156159689374.

It is an arithmetic number, because the mean of its divisors is an integer number (156159689374).

Almost surely, 2^312319378747 is an apocalyptic number.

312319378747 is a deficient number, since it is larger than the sum of its proper divisors (1).

312319378747 is an equidigital number, since it uses as much as digits as its factorization.

312319378747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5334336, while the sum is 55.

The spelling of 312319378747 in words is "three hundred twelve billion, three hundred nineteen million, three hundred seventy-eight thousand, seven hundred forty-seven".