131214219 has 4 divisors (see below), whose sum is σ = 174952296. Its totient is φ = 87476144.

The previous prime is 131214217. The next prime is 131214221. The reversal of 131214219 is 912412131.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (131214217) and next prime (131214221).

It is a cyclic number.

It is not a de Polignac number, because 131214219 - 2¹ = 131214217 is a prime.

It is a super-2 number, since 2×131214219² = 34434342535559922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131214217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21869034 + ... + 21869039.

It is an arithmetic number, because the mean of its divisors is an integer number (43738074).

Almost surely, 2^131214219 is an apocalyptic number.

131214219 is a deficient number, since it is larger than the sum of its proper divisors (43738077).

131214219 is an equidigital number, since it uses as much as digits as its factorization.

131214219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43738076.

The product of its digits is 432, while the sum is 24.

The square root of 131214219 is about 11454.8775200785. The cubic root of 131214219 is about 508.1519930317.

The spelling of 131214219 in words is "one hundred thirty-one million, two hundred fourteen thousand, two hundred nineteen".