2142303011 has 4 divisors (see below), whose sum is σ = 2142452400. Its totient is φ = 2142153624.

The previous prime is 2142303001. The next prime is 2142303017. The reversal of 2142303011 is 1103032412.

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 2142303011 - 2⁶ = 2142302947 is a prime.

It is a super-2 number, since 2×2142303011² = 9178924381879332242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2142303017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50591 + ... + 82728.

It is an arithmetic number, because the mean of its divisors is an integer number (535613100).

Almost surely, 2^2142303011 is an apocalyptic number.

2142303011 is a deficient number, since it is larger than the sum of its proper divisors (149389).

2142303011 is a wasteful number, since it uses less digits than its factorization.

2142303011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149388.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2142303011 is about 46285.0192935036. The cubic root of 2142303011 is about 1289.1208502173.

Adding to 2142303011 its reverse (1103032412), we get a palindrome (3245335423).

The spelling of 2142303011 in words is "two billion, one hundred forty-two million, three hundred three thousand, eleven".