42311013 has 16 divisors (see below), whose sum is σ = 57744576. Its totient is φ = 27547520.

The previous prime is 42310999. The next prime is 42311033. The reversal of 42311013 is 31011324.

42311013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 42311013 - 2⁵ = 42310981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42310983 and 42311001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42311033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44206 + ... + 45152.

It is an arithmetic number, because the mean of its divisors is an integer number (3609036).

Almost surely, 2^42311013 is an apocalyptic number.

It is an amenable number.

42311013 is a deficient number, since it is larger than the sum of its proper divisors (15433563).

42311013 is a wasteful number, since it uses less digits than its factorization.

42311013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 42311013 is about 6504.6916145195. The cubic root of 42311013 is about 348.4585628094.

Adding to 42311013 its reverse (31011324), we get a palindrome (73322337).

The spelling of 42311013 in words is "forty-two million, three hundred eleven thousand, thirteen".