2142303517 has 2 divisors, whose sum is σ = 2142303518. Its totient is φ = 2142303516.

The previous prime is 2142303503. The next prime is 2142303521. The reversal of 2142303517 is 7153032412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1729644921 + 412658596 = 41589^2 + 20314^2 .

It is a cyclic number.

It is not a de Polignac number, because 2142303517 - 2¹⁵ = 2142270749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2142303017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071151758 + 1071151759.

It is an arithmetic number, because the mean of its divisors is an integer number (1071151759).

Almost surely, 2^2142303517 is an apocalyptic number.

It is an amenable number.

2142303517 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142303517 is an equidigital number, since it uses as much as digits as its factorization.

2142303517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 2142303517 is about 46285.0247596347. The cubic root of 2142303517 is about 1289.1209517116.

Adding to 2142303517 its reverse (7153032412), we get a palindrome (9295335929).

It can be divided in two parts, 214 and 2303517, that added together give a triangular number (2303731 = T₂₁₄₆).

The spelling of 2142303517 in words is "two billion, one hundred forty-two million, three hundred three thousand, five hundred seventeen".