242131501 has 8 divisors (see below), whose sum is σ = 248711904. Its totient is φ = 235638480.

The previous prime is 242131489. The next prime is 242131537. The reversal of 242131501 is 105131242.

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 242131501 - 2²³ = 233742893 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 (242131601) 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, 16210 + ... + 27331.

It is an arithmetic number, because the mean of its divisors is an integer number (31088988).

Almost surely, 2^242131501 is an apocalyptic number.

It is an amenable number.

242131501 is a deficient number, since it is larger than the sum of its proper divisors (6580403).

242131501 is an equidigital number, since it uses as much as digits as its factorization.

242131501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43691.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 242131501 is about 15560.5752143036. The cubic root of 242131501 is about 623.2808229443.

Adding to 242131501 its reverse (105131242), we get a palindrome (347262743).

The spelling of 242131501 in words is "two hundred forty-two million, one hundred thirty-one thousand, five hundred one".