2311613 has 2 divisors, whose sum is σ = 2311614. Its totient is φ = 2311612.

The previous prime is 2311591. The next prime is 2311651. The reversal of 2311613 is 3161132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1315609 + 996004 = 1147^2 + 998^2 .

It is a cyclic number.

It is not a de Polignac number, because 2311613 - 2⁶ = 2311549 is a prime.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 2311591 and 2311600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2311013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155806 + 1155807.

It is an arithmetic number, because the mean of its divisors is an integer number (1155807).

2^2311613 is an apocalyptic number.

It is an amenable number.

2311613 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311613 is an equidigital number, since it uses as much as digits as its factorization.

2311613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108, while the sum is 17.

The square root of 2311613 is about 1520.3989607994. The cubic root of 2311613 is about 132.2224020848. Note that the first 3 decimals are identical.

Adding to 2311613 its reverse (3161132), we get a palindrome (5472745).

The spelling of 2311613 in words is "two million, three hundred eleven thousand, six hundred thirteen".