242140402311 has 8 divisors (see below), whose sum is σ = 330728354544. Its totient is φ = 157489692480.

The previous prime is 242140402297. The next prime is 242140402313. The reversal of 242140402311 is 113204041242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 242140402311 - 2²¹ = 242138305159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242140402313) 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, 984310456 + ... + 984310701.

It is an arithmetic number, because the mean of its divisors is an integer number (41341044318).

Almost surely, 2^242140402311 is an apocalyptic number.

242140402311 is a deficient number, since it is larger than the sum of its proper divisors (88587952233).

242140402311 is a wasteful number, since it uses less digits than its factorization.

242140402311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1968621201.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 242140402311 its reverse (113204041242), we get a palindrome (355344443553).

The spelling of 242140402311 in words is "two hundred forty-two billion, one hundred forty million, four hundred two thousand, three hundred eleven".