1316541302123 has 4 divisors (see below), whose sum is σ = 1316544040440. Its totient is φ = 1316538563808.

The previous prime is 1316541302081. The next prime is 1316541302161. The reversal of 1316541302123 is 3212031456131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1316541302123 - 2²² = 1316537107819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1316541302123.

It is not an unprimeable number, because it can be changed into a prime (1316541308123) 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, 435965 + ... + 1680222.

It is an arithmetic number, because the mean of its divisors is an integer number (329136010110).

Almost surely, 2^{1316541302123} is an apocalyptic number.

1316541302123 is a deficient number, since it is larger than the sum of its proper divisors (2738317).

1316541302123 is an equidigital number, since it uses as much as digits as its factorization.

1316541302123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2738316.

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 1316541302123 its reverse (3212031456131), we get a palindrome (4528572758254).

The spelling of 1316541302123 in words is "one trillion, three hundred sixteen billion, five hundred forty-one million, three hundred two thousand, one hundred twenty-three".