42310313 has 2 divisors, whose sum is σ = 42310314. Its totient is φ = 42310312.

The previous prime is 42310291. The next prime is 42310327. The reversal of 42310313 is 31301324.

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., 41126569 + 1183744 = 6413^2 + 1088^2 .

It is a cyclic number.

It is not a de Polignac number, because 42310313 - 2¹⁴ = 42293929 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 42310291 and 42310300.

It is not a weakly prime, because it can be changed into another prime (42310343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21155156 + 21155157.

It is an arithmetic number, because the mean of its divisors is an integer number (21155157).

Almost surely, 2^42310313 is an apocalyptic number.

It is an amenable number.

42310313 is a deficient number, since it is larger than the sum of its proper divisors (1).

42310313 is an equidigital number, since it uses as much as digits as its factorization.

42310313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 42310313 is about 6504.6378069805. The cubic root of 42310313 is about 348.4566411479.

Adding to 42310313 its reverse (31301324), we get a palindrome (73611637).

The spelling of 42310313 in words is "forty-two million, three hundred ten thousand, three hundred thirteen".