2143310031 has 16 divisors (see below), whose sum is σ = 3182364000. Its totient is φ = 1425682944.

The previous prime is 2143310009. The next prime is 2143310087. The reversal of 2143310031 is 1300133412.

It is not a de Polignac number, because 2143310031 - 2²⁹ = 1606439119 is a prime.

It is a super-2 number, since 2×2143310031² = 9187555777970441922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2143309986 and 2143310013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143310431) 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, 76276 + ... + 100521.

It is an arithmetic number, because the mean of its divisors is an integer number (198897750).

Almost surely, 2^2143310031 is an apocalyptic number.

2143310031 is a deficient number, since it is larger than the sum of its proper divisors (1039053969).

2143310031 is a wasteful number, since it uses less digits than its factorization.

2143310031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177255 (or 177249 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2143310031 is about 46295.8964812217. The cubic root of 2143310031 is about 1289.3228084397.

Adding to 2143310031 its reverse (1300133412), we get a palindrome (3443443443).

The spelling of 2143310031 in words is "two billion, one hundred forty-three million, three hundred ten thousand, thirty-one".