2112303517 has 2 divisors, whose sum is σ = 2112303518. Its totient is φ = 2112303516.

The previous prime is 2112303409. The next prime is 2112303527. The reversal of 2112303517 is 7153032112.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1240518841 + 871784676 = 35221^2 + 29526^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112303517 - 2¹¹ = 2112301469 is a prime.

It is a super-2 number, since 2×2112303517² = 8923652295861138578, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2112303491 and 2112303500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112303527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056151758 + 1056151759.

It is an arithmetic number, because the mean of its divisors is an integer number (1056151759).

Almost surely, 2^2112303517 is an apocalyptic number.

It is an amenable number.

2112303517 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112303517 is an equidigital number, since it uses as much as digits as its factorization.

2112303517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 2112303517 is about 45959.8032741656. The cubic root of 2112303517 is about 1283.0751899885.

Adding to 2112303517 its reverse (7153032112), we get a palindrome (9265335629).

The spelling of 2112303517 in words is "two billion, one hundred twelve million, three hundred three thousand, five hundred seventeen".