242320311 has 24 divisors (see below), whose sum is σ = 355155840. Its totient is φ = 159192000.

The previous prime is 242320283. The next prime is 242320321. The reversal of 242320311 is 113023242.

It is not a de Polignac number, because 242320311 - 2⁵ = 242320279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242320321) 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, 244026 + ... + 245016.

It is an arithmetic number, because the mean of its divisors is an integer number (14798160).

Almost surely, 2^242320311 is an apocalyptic number.

242320311 is a deficient number, since it is larger than the sum of its proper divisors (112835529).

242320311 is a wasteful number, since it uses less digits than its factorization.

242320311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367 (or 1364 counting only the distinct ones).

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

The square root of 242320311 is about 15566.6409671451. The cubic root of 242320311 is about 623.4427887580.

Adding to 242320311 its reverse (113023242), we get a palindrome (355343553).

The spelling of 242320311 in words is "two hundred forty-two million, three hundred twenty thousand, three hundred eleven".