242336431 has 8 divisors (see below), whose sum is σ = 256806000. Its totient is φ = 228038400.

The previous prime is 242336417. The next prime is 242336449. The reversal of 242336431 is 134633242.

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 242336431 - 2⁵ = 242336399 is a prime.

It is a super-2 number, since 2×242336431² = 117453891579635522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242336431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242336131) 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, 39970 + ... + 45631.

It is an arithmetic number, because the mean of its divisors is an integer number (32100750).

Almost surely, 2^242336431 is an apocalyptic number.

242336431 is a deficient number, since it is larger than the sum of its proper divisors (14469569).

242336431 is a wasteful number, since it uses less digits than its factorization.

242336431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85769.

The product of its digits is 10368, while the sum is 28.

The square root of 242336431 is about 15567.1587324084. The cubic root of 242336431 is about 623.4566129877.

Adding to 242336431 its reverse (134633242), we get a palindrome (376969673).

The spelling of 242336431 in words is "two hundred forty-two million, three hundred thirty-six thousand, four hundred thirty-one".