13111031120003 has 4 divisors (see below), whose sum is σ = 13145624870040. Its totient is φ = 13076437369968.

The previous prime is 13111031119981. The next prime is 13111031120017. The reversal of 13111031120003 is 30002113011131.

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 13111031120003 - 2⁶ = 13111031119939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13111031129003) 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, 17296874450 + ... + 17296875207.

It is an arithmetic number, because the mean of its divisors is an integer number (3286406217510).

Almost surely, 2^{13111031120003} is an apocalyptic number.

13111031120003 is a deficient number, since it is larger than the sum of its proper divisors (34593750037).

13111031120003 is an equidigital number, since it uses as much as digits as its factorization.

13111031120003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34593750036.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 13111031120003 its reverse (30002113011131), we get a palindrome (43113144131134).

The spelling of 13111031120003 in words is "thirteen trillion, one hundred eleven billion, thirty-one million, one hundred twenty thousand, three".