42113313 has 12 divisors (see below), whose sum is σ = 66360528. Its totient is φ = 25523160.

The previous prime is 42113311. The next prime is 42113317. The reversal of 42113313 is 31331124.

It is not a de Polignac number, because 42113313 - 2¹ = 42113311 is a prime.

It is a super-2 number, since 2×42113313² = 3547062263671938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42113311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 212595 + ... + 212792.

It is an arithmetic number, because the mean of its divisors is an integer number (5530044).

Almost surely, 2^42113313 is an apocalyptic number.

It is an amenable number.

42113313 is a deficient number, since it is larger than the sum of its proper divisors (24247215).

42113313 is a wasteful number, since it uses less digits than its factorization.

42113313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425404 (or 425401 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 42113313 is about 6489.4770975788. The cubic root of 42113313 is about 347.9149861696.

Adding to 42113313 its reverse (31331124), we get a palindrome (73444437).

The spelling of 42113313 in words is "forty-two million, one hundred thirteen thousand, three hundred thirteen".