131133211 has 8 divisors (see below), whose sum is σ = 146544048. Its totient is φ = 116304000.

The previous prime is 131133203. The next prime is 131133221. The reversal of 131133211 is 112331131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131133211 - 2³ = 131133203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131133221) 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 7 ways as a sum of consecutive naturals, for example, 144930 + ... + 145831.

It is an arithmetic number, because the mean of its divisors is an integer number (18318006).

Almost surely, 2^131133211 is an apocalyptic number.

131133211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131133211 is a deficient number, since it is larger than the sum of its proper divisors (15410837).

131133211 is a wasteful number, since it uses less digits than its factorization.

131133211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290813.

The product of its digits is 54, while the sum is 16.

The square root of 131133211 is about 11451.3410131740. The cubic root of 131133211 is about 508.0473985472.

Adding to 131133211 its reverse (112331131), we get a palindrome (243464342).

The spelling of 131133211 in words is "one hundred thirty-one million, one hundred thirty-three thousand, two hundred eleven".