3121321314 has 16 divisors (see below), whose sum is σ = 6312785760. Its totient is φ = 1028749920.

The previous prime is 3121321249. The next prime is 3121321319. The reversal of 3121321314 is 4131231213.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3121321319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2922052 + ... + 2923119.

It is an arithmetic number, because the mean of its divisors is an integer number (394549110).

Almost surely, 2^3121321314 is an apocalyptic number.

3121321314 is an abundant number, since it is smaller than the sum of its proper divisors (3191464446).

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

3121321314 is a wasteful number, since it uses less digits than its factorization.

3121321314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5845265.

The product of its digits is 432, while the sum is 21.

The square root of 3121321314 is about 55868.7865807018. The cubic root of 3121321314 is about 1461.4349615505.

Adding to 3121321314 its reverse (4131231213), we get a palindrome (7252552527).

The spelling of 3121321314 in words is "three billion, one hundred twenty-one million, three hundred twenty-one thousand, three hundred fourteen".