342240311 has 16 divisors (see below), whose sum is σ = 423777024. Its totient is φ = 269668224.

The previous prime is 342240307. The next prime is 342240313. The reversal of 342240311 is 113042243.

It is not a de Polignac number, because 342240311 - 2² = 342240307 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 (342240313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28325 + ... + 38558.

It is an arithmetic number, because the mean of its divisors is an integer number (26486064).

Almost surely, 2^342240311 is an apocalyptic number.

342240311 is a deficient number, since it is larger than the sum of its proper divisors (81536713).

342240311 is a wasteful number, since it uses less digits than its factorization.

342240311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66950.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 342240311 is about 18499.7381332818. The cubic root of 342240311 is about 699.4828227527.

Adding to 342240311 its reverse (113042243), we get a palindrome (455282554).

The spelling of 342240311 in words is "three hundred forty-two million, two hundred forty thousand, three hundred eleven".