242928311 has 8 divisors (see below), whose sum is σ = 247378560. Its totient is φ = 238489272.

The previous prime is 242928271. The next prime is 242928341. The reversal of 242928311 is 113829242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242928311 - 2²⁶ = 175819447 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 (242928341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49766 + ... + 54428.

It is an arithmetic number, because the mean of its divisors is an integer number (30922320).

Almost surely, 2^242928311 is an apocalyptic number.

242928311 is a deficient number, since it is larger than the sum of its proper divisors (4450249).

242928311 is an equidigital number, since it uses as much as digits as its factorization.

242928311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5605.

The product of its digits is 6912, while the sum is 32.

The square root of 242928311 is about 15586.1576727557. The cubic root of 242928311 is about 623.9637749831.

The spelling of 242928311 in words is "two hundred forty-two million, nine hundred twenty-eight thousand, three hundred eleven".