240311242 has 4 divisors (see below), whose sum is σ = 360466866. Its totient is φ = 120155620.

The previous prime is 240311213. The next prime is 240311243. The reversal of 240311242 is 242113042.

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

It can be written as a sum of positive squares in only one way, i.e., 122567041 + 117744201 = 11071^2 + 10851^2 .

It is not an unprimeable number, because it can be changed into a prime (240311243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60077809 + ... + 60077812.

Almost surely, 2^240311242 is an apocalyptic number.

240311242 is a deficient number, since it is larger than the sum of its proper divisors (120155624).

240311242 is a wasteful number, since it uses less digits than its factorization.

240311242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120155623.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 240311242 is about 15501.9754225066. The cubic root of 240311242 is about 621.7150243856.

Adding to 240311242 its reverse (242113042), we get a palindrome (482424284).

The spelling of 240311242 in words is "two hundred forty million, three hundred eleven thousand, two hundred forty-two".