131132211211 has 4 divisors (see below), whose sum is σ = 138845870712. Its totient is φ = 123418551712.

The previous prime is 131132211193. The next prime is 131132211227. The reversal of 131132211211 is 112112231131.

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 131132211211 - 2⁵ = 131132211179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131132211011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3856829725 + ... + 3856829758.

It is an arithmetic number, because the mean of its divisors is an integer number (34711467678).

Almost surely, 2^131132211211 is an apocalyptic number.

131132211211 is a deficient number, since it is larger than the sum of its proper divisors (7713659501).

131132211211 is an equidigital number, since it uses as much as digits as its factorization.

131132211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7713659500.

The product of its digits is 72, while the sum is 19.

Adding to 131132211211 its reverse (112112231131), we get a palindrome (243244442342).

The spelling of 131132211211 in words is "one hundred thirty-one billion, one hundred thirty-two million, two hundred eleven thousand, two hundred eleven".