131273211 has 8 divisors (see below), whose sum is σ = 175473424. Its totient is φ = 87294240.

The previous prime is 131273183. The next prime is 131273221. The reversal of 131273211 is 112372131.

It is a happy number.

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

It is not a de Polignac number, because 131273211 - 2¹³ = 131265019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131273221) 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, 53920 + ... + 56301.

It is an arithmetic number, because the mean of its divisors is an integer number (21934178).

Almost surely, 2^131273211 is an apocalyptic number.

131273211 is a deficient number, since it is larger than the sum of its proper divisors (44200213).

131273211 is a wasteful number, since it uses less digits than its factorization.

131273211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110621.

The product of its digits is 252, while the sum is 21.

The square root of 131273211 is about 11457.4522036969. The cubic root of 131273211 is about 508.2281341983.

The spelling of 131273211 in words is "one hundred thirty-one million, two hundred seventy-three thousand, two hundred eleven".