131214442 has 4 divisors (see below), whose sum is σ = 196821666. Its totient is φ = 65607220.

The previous prime is 131214439. The next prime is 131214443. The reversal of 131214442 is 244412131.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 124344801 + 6869641 = 11151^2 + 2621^2 .

It is not an unprimeable number, because it can be changed into a prime (131214443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32803609 + ... + 32803612.

Almost surely, 2^131214442 is an apocalyptic number.

131214442 is a deficient number, since it is larger than the sum of its proper divisors (65607224).

131214442 is an equidigital number, since it uses as much as digits as its factorization.

131214442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65607223.

The product of its digits is 768, while the sum is 22.

The square root of 131214442 is about 11454.8872539192. The cubic root of 131214442 is about 508.1522809015.

Adding to 131214442 its reverse (244412131), we get a palindrome (375626573).

The spelling of 131214442 in words is "one hundred thirty-one million, two hundred fourteen thousand, four hundred forty-two".