131032232211 has 4 divisors (see below), whose sum is σ = 174709642952. Its totient is φ = 87354821472.

The previous prime is 131032232209. The next prime is 131032232237. The reversal of 131032232211 is 112232230131.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 131032232211 - 2¹ = 131032232209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131032232291) 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, 21838705366 + ... + 21838705371.

It is an arithmetic number, because the mean of its divisors is an integer number (43677410738).

Almost surely, 2^131032232211 is an apocalyptic number.

131032232211 is a deficient number, since it is larger than the sum of its proper divisors (43677410741).

131032232211 is an equidigital number, since it uses as much as digits as its factorization.

131032232211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43677410740.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 131032232211 its reverse (112232230131), we get a palindrome (243264462342).

The spelling of 131032232211 in words is "one hundred thirty-one billion, thirty-two million, two hundred thirty-two thousand, two hundred eleven".