10947218313 has 4 divisors (see below), whose sum is σ = 14596291088. Its totient is φ = 7298145540.

The previous prime is 10947218309. The next prime is 10947218329. The reversal of 10947218313 is 31381274901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 10947218313 - 2² = 10947218309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10947218393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1824536383 + ... + 1824536388.

It is an arithmetic number, because the mean of its divisors is an integer number (3649072772).

Almost surely, 2^10947218313 is an apocalyptic number.

It is an amenable number.

10947218313 is a deficient number, since it is larger than the sum of its proper divisors (3649072775).

10947218313 is an equidigital number, since it uses as much as digits as its factorization.

10947218313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3649072774.

The product of its (nonzero) digits is 36288, while the sum is 39.

The spelling of 10947218313 in words is "ten billion, nine hundred forty-seven million, two hundred eighteen thousand, three hundred thirteen".