242703381 has 4 divisors (see below), whose sum is σ = 323604512. Its totient is φ = 161802252.

The previous prime is 242703379. The next prime is 242703389. The reversal of 242703381 is 183307242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 242703381 - 2¹ = 242703379 is a prime.

It is a super-2 number, since 2×242703381² = 117809862297662322, 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 (242703389) 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, 40450561 + ... + 40450566.

It is an arithmetic number, because the mean of its divisors is an integer number (80901128).

Almost surely, 2^242703381 is an apocalyptic number.

It is an amenable number.

242703381 is a deficient number, since it is larger than the sum of its proper divisors (80901131).

242703381 is an equidigital number, since it uses as much as digits as its factorization.

242703381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80901130.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 242703381 is about 15578.9403041414. The cubic root of 242703381 is about 623.7711372042.

The spelling of 242703381 in words is "two hundred forty-two million, seven hundred three thousand, three hundred eighty-one".