131303211 has 16 divisors (see below), whose sum is σ = 191197440. Its totient is φ = 79662240.

The previous prime is 131303203. The next prime is 131303239. The reversal of 131303211 is 112303131.

It is not a de Polignac number, because 131303211 - 2³ = 131303203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131303201) 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, 20941 + ... + 26478.

It is an arithmetic number, because the mean of its divisors is an integer number (11949840).

Almost surely, 2^131303211 is an apocalyptic number.

131303211 is a deficient number, since it is larger than the sum of its proper divisors (59894229).

131303211 is a wasteful number, since it uses less digits than its factorization.

131303211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47506.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 131303211 is about 11458.7613204918. The cubic root of 131303211 is about 508.2668465463.

Adding to 131303211 its reverse (112303131), we get a palindrome (243606342).

The spelling of 131303211 in words is "one hundred thirty-one million, three hundred three thousand, two hundred eleven".