312263622347 has 4 divisors (see below), whose sum is σ = 312264795360. Its totient is φ = 312262449336.

The previous prime is 312263622343. The next prime is 312263622361. The reversal of 312263622347 is 743226362213.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 743226362213 = 4877 ⋅152394169.

It is a cyclic number.

It is not a de Polignac number, because 312263622347 - 2² = 312263622343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312263622343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26078 + ... + 790700.

It is an arithmetic number, because the mean of its divisors is an integer number (78066198840).

Almost surely, 2^312263622347 is an apocalyptic number.

312263622347 is a deficient number, since it is larger than the sum of its proper divisors (1173013).

312263622347 is an equidigital number, since it uses as much as digits as its factorization.

312263622347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173012.

The product of its digits is 435456, while the sum is 41.

The spelling of 312263622347 in words is "three hundred twelve billion, two hundred sixty-three million, six hundred twenty-two thousand, three hundred forty-seven".