2142303031 has 4 divisors (see below), whose sum is σ = 2337057864. Its totient is φ = 1947548200.

The previous prime is 2142303017. The next prime is 2142303047. The reversal of 2142303031 is 1303032412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2142303031 - 2²⁹ = 1605432119 is a prime.

It is a super-2 number, since 2×2142303031² = 9178924553263573922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142303001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97377400 + ... + 97377421.

It is an arithmetic number, because the mean of its divisors is an integer number (584264466).

Almost surely, 2^2142303031 is an apocalyptic number.

2142303031 is a deficient number, since it is larger than the sum of its proper divisors (194754833).

2142303031 is a wasteful number, since it uses less digits than its factorization.

2142303031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194754832.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2142303031 is about 46285.0195095562. The cubic root of 2142303031 is about 1289.1208542289.

Adding to 2142303031 its reverse (1303032412), we get a palindrome (3445335443).

The spelling of 2142303031 in words is "two billion, one hundred forty-two million, three hundred three thousand, thirty-one".