1103431101313 has 8 divisors (see below), whose sum is σ = 1106424963560. Its totient is φ = 1100438317440.

The previous prime is 1103431101281. The next prime is 1103431101319. The reversal of 1103431101313 is 3131011343011.

It can be written as a sum of positive squares in 4 ways, for example, as 552202068609 + 551229032704 = 743103^2 + 742448^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1103431101313 - 2⁵ = 1103431101281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103431101319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1801183 + ... + 2334763.

It is an arithmetic number, because the mean of its divisors is an integer number (138303120445).

Almost surely, 2^{1103431101313} is an apocalyptic number.

It is an amenable number.

1103431101313 is a deficient number, since it is larger than the sum of its proper divisors (2993862247).

1103431101313 is an equidigital number, since it uses as much as digits as its factorization.

1103431101313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539187.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1103431101313 its reverse (3131011343011), we get a palindrome (4234442444324).

The spelling of 1103431101313 in words is "one trillion, one hundred three billion, four hundred thirty-one million, one hundred one thousand, three hundred thirteen".