11103011001331 has 4 divisors (see below), whose sum is σ = 11176540875664. Its totient is φ = 11029481127000.

The previous prime is 11103011001307. The next prime is 11103011001337. The reversal of 11103011001331 is 13310011030111.

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 11103011001331 - 2³⁹ = 10553255187443 is a prime.

It is a super-2 number, since 2×11103011001331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11103011001337) 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, 36764936940 + ... + 36764937241.

It is an arithmetic number, because the mean of its divisors is an integer number (2794135218916).

Almost surely, 2^{11103011001331} is an apocalyptic number.

11103011001331 is a deficient number, since it is larger than the sum of its proper divisors (73529874333).

11103011001331 is an equidigital number, since it uses as much as digits as its factorization.

11103011001331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73529874332.

The product of its (nonzero) digits is 27, while the sum is 16.

Adding to 11103011001331 its reverse (13310011030111), we get a palindrome (24413022031442).

The spelling of 11103011001331 in words is "eleven trillion, one hundred three billion, eleven million, one thousand, three hundred thirty-one".