131311214 has 4 divisors (see below), whose sum is σ = 196966824. Its totient is φ = 65655606.

The previous prime is 131311199. The next prime is 131311241. The reversal of 131311214 is 412113131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 412113131 = 5087 ⋅81013.

It is a junction number, because it is equal to n+sod(n) for n = 131311192 and 131311201.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 32827802 + ... + 32827805.

It is an arithmetic number, because the mean of its divisors is an integer number (49241706).

Almost surely, 2^131311214 is an apocalyptic number.

131311214 is a deficient number, since it is larger than the sum of its proper divisors (65655610).

131311214 is an equidigital number, since it uses as much as digits as its factorization.

131311214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65655609.

The product of its digits is 72, while the sum is 17.

The square root of 131311214 is about 11459.1105239456. The cubic root of 131311214 is about 508.2771727141.

Adding to 131311214 its reverse (412113131), we get a palindrome (543424345).

The spelling of 131311214 in words is "one hundred thirty-one million, three hundred eleven thousand, two hundred fourteen".