11312003103013 has 4 divisors (see below), whose sum is σ = 11314780421868. Its totient is φ = 11309225784160.

The previous prime is 11312003103007. The next prime is 11312003103019. The reversal of 11312003103013 is 31030130021311.

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

It is an interprime number because it is at equal distance from previous prime (11312003103007) and next prime (11312003103019).

It can be written as a sum of positive squares in 2 ways, for example, as 1358628022404 + 9953375080609 = 1165602^2 + 3154897^2 .

It is a cyclic number.

It is not a de Polignac number, because 11312003103013 - 2²¹ = 11312001005861 is a prime.

It is a super-2 number, since 2×11312003103013² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312003103019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1388653318 + ... + 1388661463.

It is an arithmetic number, because the mean of its divisors is an integer number (2828695105467).

Almost surely, 2^{11312003103013} is an apocalyptic number.

It is an amenable number.

11312003103013 is a deficient number, since it is larger than the sum of its proper divisors (2777318855).

11312003103013 is an equidigital number, since it uses as much as digits as its factorization.

11312003103013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777318854.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 11312003103013 its reverse (31030130021311), we get a palindrome (42342133124324).

The spelling of 11312003103013 in words is "eleven trillion, three hundred twelve billion, three million, one hundred three thousand, thirteen".