242133331 has 16 divisors (see below), whose sum is σ = 276369408. Its totient is φ = 210164800.

The previous prime is 242133277. The next prime is 242133347. The reversal of 242133331 is 133331242.

It is a cyclic number.

It is not a de Polignac number, because 242133331 - 2¹¹ = 242131283 is a prime.

It is a super-2 number, since 2×242133331² = 117257099962311122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242133371) 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, 15486 + ... + 26908.

It is an arithmetic number, because the mean of its divisors is an integer number (17273088).

Almost surely, 2^242133331 is an apocalyptic number.

242133331 is a deficient number, since it is larger than the sum of its proper divisors (34236077).

242133331 is a wasteful number, since it uses less digits than its factorization.

242133331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11522.

The product of its digits is 1296, while the sum is 22.

The square root of 242133331 is about 15560.6340166460. The cubic root of 242133331 is about 623.2823931669.

Adding to 242133331 its reverse (133331242), we get a palindrome (375464573).

The spelling of 242133331 in words is "two hundred forty-two million, one hundred thirty-three thousand, three hundred thirty-one".