131232412432111 has 4 divisors (see below), whose sum is σ = 131250269619000. Its totient is φ = 131214555245224.

The previous prime is 131232412432081. The next prime is 131232412432117. The reversal of 131232412432111 is 111234214232131.

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 131232412432111 - 2¹⁹ = 131232411907823 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 (131232412432117) 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, 8928582421 + ... + 8928597118.

It is an arithmetic number, because the mean of its divisors is an integer number (32812567404750).

Almost surely, 2^{131232412432111} is an apocalyptic number.

131232412432111 is a deficient number, since it is larger than the sum of its proper divisors (17857186889).

131232412432111 is an equidigital number, since it uses as much as digits as its factorization.

131232412432111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17857186888.

The product of its digits is 6912, while the sum is 31.

Adding to 131232412432111 its reverse (111234214232131), we get a palindrome (242466626664242).

The spelling of 131232412432111 in words is "one hundred thirty-one trillion, two hundred thirty-two billion, four hundred twelve million, four hundred thirty-two thousand, one hundred eleven".