2131343214 has 64 divisors (see below), whose sum is σ = 5723343360. Its totient is φ = 511009920.

The previous prime is 2131343191. The next prime is 2131343281. The reversal of 2131343214 is 4123431312.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171429 + ... + 183440.

It is an arithmetic number, because the mean of its divisors is an integer number (89427240).

Almost surely, 2^2131343214 is an apocalyptic number.

2131343214 is an abundant number, since it is smaller than the sum of its proper divisors (3592000146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2131343214 is a wasteful number, since it uses less digits than its factorization.

2131343214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354905.

The product of its digits is 1728, while the sum is 24.

The square root of 2131343214 is about 46166.4728347315. The cubic root of 2131343214 is about 1286.9187551234.

Adding to 2131343214 its reverse (4123431312), we get a palindrome (6254774526).

The spelling of 2131343214 in words is "two billion, one hundred thirty-one million, three hundred forty-three thousand, two hundred fourteen".