311242341 has 32 divisors (see below), whose sum is σ = 452096640. Its totient is φ = 189722624.

The previous prime is 311242333. The next prime is 311242343. The reversal of 311242341 is 143242113.

It is a cyclic number.

It is not a de Polignac number, because 311242341 - 2³ = 311242333 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311242343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 304930 + ... + 305948.

It is an arithmetic number, because the mean of its divisors is an integer number (14128020).

Almost surely, 2^311242341 is an apocalyptic number.

It is an amenable number.

311242341 is a deficient number, since it is larger than the sum of its proper divisors (140854299).

311242341 is a wasteful number, since it uses less digits than its factorization.

311242341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205.

The product of its digits is 576, while the sum is 21.

The square root of 311242341 is about 17642.0616992459. The cubic root of 311242341 is about 677.6928303752.

Adding to 311242341 its reverse (143242113), we get a palindrome (454484454).

The spelling of 311242341 in words is "three hundred eleven million, two hundred forty-two thousand, three hundred forty-one".