2142300031 has 2 divisors, whose sum is σ = 2142300032. Its totient is φ = 2142300030.

The previous prime is 2142300019. The next prime is 2142300049. The reversal of 2142300031 is 1300032412.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2142300031 - 2¹⁵ = 2142267263 is a prime.

It is a super-2 number, since 2×2142300031² = 9178898845645201922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2142299978 and 2142300014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2142300071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071150015 + 1071150016.

It is an arithmetic number, because the mean of its divisors is an integer number (1071150016).

Almost surely, 2^2142300031 is an apocalyptic number.

2142300031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142300031 is an equidigital number, since it uses as much as digits as its factorization.

2142300031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2142300031 is about 46284.9871016510. The cubic root of 2142300031 is about 1289.1202524833.

Adding to 2142300031 its reverse (1300032412), we get a palindrome (3442332443).

The spelling of 2142300031 in words is "two billion, one hundred forty-two million, three hundred thousand, thirty-one".