42340311 has 24 divisors (see below), whose sum is σ = 66533376. Its totient is φ = 25790400.

The previous prime is 42340301. The next prime is 42340339. The reversal of 42340311 is 11304324.

It is not a de Polignac number, because 42340311 - 2⁹ = 42339799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42340301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10026 + ... + 13608.

It is an arithmetic number, because the mean of its divisors is an integer number (2772224).

Almost surely, 2^42340311 is an apocalyptic number.

42340311 is a deficient number, since it is larger than the sum of its proper divisors (24193065).

42340311 is a wasteful number, since it uses less digits than its factorization.

42340311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3703 (or 3700 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 42340311 is about 6506.9432915925. The cubic root of 42340311 is about 348.5389735798.

Adding to 42340311 its reverse (11304324), we get a palindrome (53644635).

The spelling of 42340311 in words is "forty-two million, three hundred forty thousand, three hundred eleven".