242115031 has 8 divisors (see below), whose sum is σ = 244316304. Its totient is φ = 239920320.

The previous prime is 242114989. The next prime is 242115073. The reversal of 242115031 is 130511242.

It is an interprime number because it is at equal distance from previous prime (242114989) and next prime (242115073).

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 242115031 - 2⁹ = 242114519 is a prime.

It is a super-2 number, since 2×242115031² = 117239376472261922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242115091) 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 7 ways as a sum of consecutive naturals, for example, 99216 + ... + 101626.

It is an arithmetic number, because the mean of its divisors is an integer number (30539538).

Almost surely, 2^242115031 is an apocalyptic number.

242115031 is a deficient number, since it is larger than the sum of its proper divisors (2201273).

242115031 is a wasteful number, since it uses less digits than its factorization.

242115031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3281.

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

The square root of 242115031 is about 15560.0459832225. The cubic root of 242115031 is about 623.2666905853.

Adding to 242115031 its reverse (130511242), we get a palindrome (372626273).

The spelling of 242115031 in words is "two hundred forty-two million, one hundred fifteen thousand, thirty-one".