131211311101 has 16 divisors (see below), whose sum is σ = 153870595200. Its totient is φ = 110786816448.

The previous prime is 131211311069. The next prime is 131211311131. The reversal of 131211311101 is 101113112131.

It is a cyclic number.

It is not a de Polignac number, because 131211311101 - 2⁵ = 131211311069 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 (131211311131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9151801 + ... + 9166126.

It is an arithmetic number, because the mean of its divisors is an integer number (9616912200).

Almost surely, 2^131211311101 is an apocalyptic number.

It is an amenable number.

131211311101 is a deficient number, since it is larger than the sum of its proper divisors (22659284099).

131211311101 is a wasteful number, since it uses less digits than its factorization.

131211311101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18317988.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 131211311101 its reverse (101113112131), we get a palindrome (232324423232).

The spelling of 131211311101 in words is "one hundred thirty-one billion, two hundred eleven million, three hundred eleven thousand, one hundred one".