131011103 has 8 divisors (see below), whose sum is σ = 133376880. Its totient is φ = 128652480.

The previous prime is 131011079. The next prime is 131011123. The reversal of 131011103 is 301110131.

It is a happy number.

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 131011103 - 2¹⁰ = 131010079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131011123) 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, 46643 + ... + 49371.

It is an arithmetic number, because the mean of its divisors is an integer number (16672110).

Almost surely, 2^131011103 is an apocalyptic number.

131011103 is a deficient number, since it is larger than the sum of its proper divisors (2365777).

131011103 is an equidigital number, since it uses as much as digits as its factorization.

131011103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3577.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 131011103 is about 11446.0081687897. The cubic root of 131011103 is about 507.8896558546.

Adding to 131011103 its reverse (301110131), we get a palindrome (432121234).

The spelling of 131011103 in words is "one hundred thirty-one million, eleven thousand, one hundred three".