242014231511 has 4 divisors (see below), whose sum is σ = 260630710872. Its totient is φ = 223397752152.

The previous prime is 242014231457. The next prime is 242014231553. The reversal of 242014231511 is 115132410242.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242014231511 - 2¹⁰ = 242014230487 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 (242010231511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9308239661 + ... + 9308239686.

It is an arithmetic number, because the mean of its divisors is an integer number (65157677718).

Almost surely, 2^242014231511 is an apocalyptic number.

242014231511 is a deficient number, since it is larger than the sum of its proper divisors (18616479361).

242014231511 is a wasteful number, since it uses less digits than its factorization.

242014231511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18616479360.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 242014231511 its reverse (115132410242), we get a palindrome (357146641753).

The spelling of 242014231511 in words is "two hundred forty-two billion, fourteen million, two hundred thirty-one thousand, five hundred eleven".