42313311 has 24 divisors (see below), whose sum is σ = 63133200. Its totient is φ = 27288576.

The previous prime is 42313283. The next prime is 42313319. The reversal of 42313311 is 11331324.

42313311 is a `hidden beast` number, since 42 + 313 + 311 = 666.

It is not a de Polignac number, because 42313311 - 2⁵ = 42313279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42313319) 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, 94015 + ... + 94463.

It is an arithmetic number, because the mean of its divisors is an integer number (2630550).

Almost surely, 2^42313311 is an apocalyptic number.

42313311 is a deficient number, since it is larger than the sum of its proper divisors (20819889).

42313311 is a wasteful number, since it uses less digits than its factorization.

42313311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775 (or 772 counting only the distinct ones).

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

The square root of 42313311 is about 6504.8682538542. The cubic root of 42313311 is about 348.4648712007.

Adding to 42313311 its reverse (11331324), we get a palindrome (53644635).

It can be divided in two parts, 42313 and 311, that added together give a palindrome (42624).

The spelling of 42313311 in words is "forty-two million, three hundred thirteen thousand, three hundred eleven".