242452031 has 4 divisors (see below), whose sum is σ = 242820600. Its totient is φ = 242083464.

The previous prime is 242452019. The next prime is 242452033. The reversal of 242452031 is 130254242.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130254242 = 2 ⋅65127121.

It is a cyclic number.

It is not a de Polignac number, because 242452031 - 2⁶ = 242451967 is a prime.

It is a super-2 number, since 2×242452031² = 117565974672049922, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 242451988 and 242452006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242452033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183296 + ... + 184613.

It is an arithmetic number, because the mean of its divisors is an integer number (60705150).

Almost surely, 2^242452031 is an apocalyptic number.

242452031 is a deficient number, since it is larger than the sum of its proper divisors (368569).

242452031 is an equidigital number, since it uses as much as digits as its factorization.

242452031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368568.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 242452031 is about 15570.8712344557. The cubic root of 242452031 is about 623.5557315660. Note that the first 3 decimals are identical.

The spelling of 242452031 in words is "two hundred forty-two million, four hundred fifty-two thousand, thirty-one".