242431401 has 8 divisors (see below), whose sum is σ = 331125984. Its totient is φ = 157678880.

The previous prime is 242431391. The next prime is 242431433. The reversal of 242431401 is 104134242.

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 242431401 - 2¹¹ = 242429353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242431471) 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, 985371 + ... + 985616.

It is an arithmetic number, because the mean of its divisors is an integer number (41390748).

Almost surely, 2^242431401 is an apocalyptic number.

It is an amenable number.

242431401 is a deficient number, since it is larger than the sum of its proper divisors (88694583).

242431401 is a wasteful number, since it uses less digits than its factorization.

242431401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1971031.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 242431401 is about 15570.2087654598. The cubic root of 242431401 is about 623.5380451539.

Adding to 242431401 its reverse (104134242), we get a palindrome (346565643).

The spelling of 242431401 in words is "two hundred forty-two million, four hundred thirty-one thousand, four hundred one".