242193371 has 4 divisors (see below), whose sum is σ = 276792432. Its totient is φ = 207594312.

The previous prime is 242193353. The next prime is 242193403. The reversal of 242193371 is 173391242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 173391242 = 2 ⋅86695621.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242193371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242193311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17299520 + ... + 17299533.

It is an arithmetic number, because the mean of its divisors is an integer number (69198108).

Almost surely, 2^242193371 is an apocalyptic number.

242193371 is a deficient number, since it is larger than the sum of its proper divisors (34599061).

242193371 is an equidigital number, since it uses as much as digits as its factorization.

242193371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34599060.

The product of its digits is 9072, while the sum is 32.

The square root of 242193371 is about 15562.5631243700. The cubic root of 242193371 is about 623.3339058081. Note that the first 3 decimals are identical.

The spelling of 242193371 in words is "two hundred forty-two million, one hundred ninety-three thousand, three hundred seventy-one".