2131443214 has 4 divisors (see below), whose sum is σ = 3197164824. Its totient is φ = 1065721606.

The previous prime is 2131443173. The next prime is 2131443227. The reversal of 2131443214 is 4123441312.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532860802 + ... + 532860805.

It is an arithmetic number, because the mean of its divisors is an integer number (799291206).

Almost surely, 2^2131443214 is an apocalyptic number.

2131443214 is a deficient number, since it is larger than the sum of its proper divisors (1065721610).

2131443214 is a wasteful number, since it uses less digits than its factorization.

2131443214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065721609.

The product of its digits is 2304, while the sum is 25.

The square root of 2131443214 is about 46167.5558590662. Note that the first 3 decimals coincide. The cubic root of 2131443214 is about 1286.9388816899.

Adding to 2131443214 its reverse (4123441312), we get a palindrome (6254884526).

The spelling of 2131443214 in words is "two billion, one hundred thirty-one million, four hundred forty-three thousand, two hundred fourteen".