2143311313 has 16 divisors (see below), whose sum is σ = 2528862336. Its totient is φ = 1790835840.

The previous prime is 2143311271. The next prime is 2143311337. The reversal of 2143311313 is 3131133412.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2143311313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2143341313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1156 + ... + 65482.

It is an arithmetic number, because the mean of its divisors is an integer number (158053896).

Almost surely, 2^2143311313 is an apocalyptic number.

It is an amenable number.

2143311313 is a deficient number, since it is larger than the sum of its proper divisors (385551023).

2143311313 is a wasteful number, since it uses less digits than its factorization.

2143311313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64584.

The product of its digits is 648, while the sum is 22.

The square root of 2143311313 is about 46295.9103269392. The cubic root of 2143311313 is about 1289.3230655049.

Adding to 2143311313 its reverse (3131133412), we get a palindrome (5274444725).

It can be divided in two parts, 21 and 43311313, that added together give a palindrome (43311334).

The spelling of 2143311313 in words is "two billion, one hundred forty-three million, three hundred eleven thousand, three hundred thirteen".