131678211 has 8 divisors (see below), whose sum is σ = 200652544. Its totient is φ = 75244680.

The previous prime is 131678207. The next prime is 131678219. The reversal of 131678211 is 112876131.

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

It is not a de Polignac number, because 131678211 - 2² = 131678207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131678219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3135175 + ... + 3135216.

It is an arithmetic number, because the mean of its divisors is an integer number (25081568).

Almost surely, 2^131678211 is an apocalyptic number.

131678211 is a deficient number, since it is larger than the sum of its proper divisors (68974333).

131678211 is an equidigital number, since it uses as much as digits as its factorization.

131678211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6270401.

The product of its digits is 2016, while the sum is 30.

The square root of 131678211 is about 11475.1126791853. The cubic root of 131678211 is about 508.7502541316.

The spelling of 131678211 in words is "one hundred thirty-one million, six hundred seventy-eight thousand, two hundred eleven".