42010313 has 4 divisors (see below), whose sum is σ = 42052560. Its totient is φ = 41968068.

The previous prime is 42010303. The next prime is 42010361. The reversal of 42010313 is 31301024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42010313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42010303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19595 + ... + 21632.

It is an arithmetic number, because the mean of its divisors is an integer number (10513140).

Almost surely, 2^42010313 is an apocalyptic number.

It is an amenable number.

42010313 is a deficient number, since it is larger than the sum of its proper divisors (42247).

42010313 is a wasteful number, since it uses less digits than its factorization.

42010313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42246.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 42010313 is about 6481.5363147945. The cubic root of 42010313 is about 347.6311131625.

Adding to 42010313 its reverse (31301024), we get a palindrome (73311337).

The spelling of 42010313 in words is "forty-two million, ten thousand, three hundred thirteen".