311042341 has 4 divisors (see below), whose sum is σ = 315684832. Its totient is φ = 306399852.

The previous prime is 311042323. The next prime is 311042351. The reversal of 311042341 is 143240113.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 311042341 - 2⁵ = 311042309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311042321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2321145 + ... + 2321278.

It is an arithmetic number, because the mean of its divisors is an integer number (78921208).

Almost surely, 2^311042341 is an apocalyptic number.

It is an amenable number.

311042341 is a deficient number, since it is larger than the sum of its proper divisors (4642491).

311042341 is an equidigital number, since it uses as much as digits as its factorization.

311042341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4642490.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 311042341 is about 17636.3925166118. The cubic root of 311042341 is about 677.5476406090.

Adding to 311042341 its reverse (143240113), we get a palindrome (454282454).

It can be divided in two parts, 3110 and 42341, that added together give a triangular number (45451 = T₃₀₁).

The spelling of 311042341 in words is "three hundred eleven million, forty-two thousand, three hundred forty-one".