131020211103 has 8 divisors (see below), whose sum is σ = 174702843648. Its totient is φ = 87342192984.

The previous prime is 131020211081. The next prime is 131020211107. The reversal of 131020211103 is 301112020131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131020211103 - 2¹⁴ = 131020194719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131020211107) 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, 1086801 + ... + 1201322.

It is an arithmetic number, because the mean of its divisors is an integer number (21837855456).

Almost surely, 2^131020211103 is an apocalyptic number.

131020211103 is a deficient number, since it is larger than the sum of its proper divisors (43682632545).

131020211103 is a wasteful number, since it uses less digits than its factorization.

131020211103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2307213.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 131020211103 its reverse (301112020131), we get a palindrome (432132231234).

The spelling of 131020211103 in words is "one hundred thirty-one billion, twenty million, two hundred eleven thousand, one hundred three".