131361211 has 16 divisors (see below), whose sum is σ = 141790464. Its totient is φ = 121375584.

The previous prime is 131361203. The next prime is 131361221. The reversal of 131361211 is 112163131.

It is a cyclic number.

It is not a de Polignac number, because 131361211 - 2³ = 131361203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131361221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138240 + ... + 139186.

It is an arithmetic number, because the mean of its divisors is an integer number (8861904).

Almost surely, 2^131361211 is an apocalyptic number.

131361211 is a deficient number, since it is larger than the sum of its proper divisors (10429253).

131361211 is a wasteful number, since it uses less digits than its factorization.

131361211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170.

The product of its digits is 108, while the sum is 19.

The square root of 131361211 is about 11461.2918556330. The cubic root of 131361211 is about 508.3416737023.

The spelling of 131361211 in words is "one hundred thirty-one million, three hundred sixty-one thousand, two hundred eleven".