131434211 has 4 divisors (see below), whose sum is σ = 131547624. Its totient is φ = 131320800.

The previous prime is 131434201. The next prime is 131434217. The reversal of 131434211 is 112434131.

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 131434211 - 2¹⁰ = 131433187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131434217) 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, 54950 + ... + 57291.

It is an arithmetic number, because the mean of its divisors is an integer number (32886906).

Almost surely, 2^131434211 is an apocalyptic number.

131434211 is a deficient number, since it is larger than the sum of its proper divisors (113413).

131434211 is a wasteful number, since it uses less digits than its factorization.

131434211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113412.

The product of its digits is 288, while the sum is 20.

The square root of 131434211 is about 11464.4760455941. The cubic root of 131434211 is about 508.4358214089.

Adding to 131434211 its reverse (112434131), we get a palindrome (243868342).

The spelling of 131434211 in words is "one hundred thirty-one million, four hundred thirty-four thousand, two hundred eleven".