103111131011 has 8 divisors (see below), whose sum is σ = 118922406240. Its totient is φ = 87570134208.

The previous prime is 103111131007. The next prime is 103111131029. The reversal of 103111131011 is 110131111301.

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 103111131011 - 2² = 103111131007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103111139011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67568786 + ... + 67570311.

It is an arithmetic number, because the mean of its divisors is an integer number (14865300780).

Almost surely, 2^103111131011 is an apocalyptic number.

103111131011 is a deficient number, since it is larger than the sum of its proper divisors (15811275229).

103111131011 is a wasteful number, since it uses less digits than its factorization.

103111131011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135139213.

The product of its (nonzero) digits is 9, while the sum is 14.

Adding to 103111131011 its reverse (110131111301), we get a palindrome (213242242312).

The spelling of 103111131011 in words is "one hundred three billion, one hundred eleven million, one hundred thirty-one thousand, eleven".