2121342314 has 32 divisors (see below), whose sum is σ = 4146702336. Its totient is φ = 789845760.

The previous prime is 2121342287. The next prime is 2121342319. The reversal of 2121342314 is 4132431212.

It is a self number, because there is not a number n which added to its sum of digits gives 2121342314.

It is not an unprimeable number, because it can be changed into a prime (2121342319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 339722 + ... + 345909.

It is an arithmetic number, because the mean of its divisors is an integer number (129584448).

Almost surely, 2^2121342314 is an apocalyptic number.

2121342314 is a deficient number, since it is larger than the sum of its proper divisors (2025360022).

2121342314 is a wasteful number, since it uses less digits than its factorization.

2121342314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685670.

The product of its digits is 1152, while the sum is 23.

The square root of 2121342314 is about 46058.0320248271. The cubic root of 2121342314 is about 1284.9027292922.

Adding to 2121342314 its reverse (4132431212), we get a palindrome (6253773526).

The spelling of 2121342314 in words is "two billion, one hundred twenty-one million, three hundred forty-two thousand, three hundred fourteen".