1316623405241 has 4 divisors (see below), whose sum is σ = 1316707085172. Its totient is φ = 1316539725312.

The previous prime is 1316623405213. The next prime is 1316623405247. The reversal of 1316623405241 is 1425043266131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 472788259216 + 843835146025 = 687596^2 + 918605^2 .

It is a cyclic number.

It is not a de Polignac number, because 1316623405241 - 2⁶ = 1316623405177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1316623405195 and 1316623405204.

It is not an unprimeable number, because it can be changed into a prime (1316623405247) 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, 41816360 + ... + 41847833.

It is an arithmetic number, because the mean of its divisors is an integer number (329176771293).

Almost surely, 2^{1316623405241} is an apocalyptic number.

It is an amenable number.

1316623405241 is a deficient number, since it is larger than the sum of its proper divisors (83679931).

1316623405241 is an equidigital number, since it uses as much as digits as its factorization.

1316623405241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83679930.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 1316623405241 in words is "one trillion, three hundred sixteen billion, six hundred twenty-three million, four hundred five thousand, two hundred forty-one".