242434731 has 32 divisors (see below), whose sum is σ = 412397568. Its totient is φ = 123006240.

The previous prime is 242434727. The next prime is 242434781. The reversal of 242434731 is 137434242.

It is not a de Polignac number, because 242434731 - 2² = 242434727 is a prime.

It is a super-2 number, since 2×242434731² = 117549197590084722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (242434781) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2271 + ... + 22136.

It is an arithmetic number, because the mean of its divisors is an integer number (12887424).

Almost surely, 2^242434731 is an apocalyptic number.

242434731 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

242434731 is a deficient number, since it is larger than the sum of its proper divisors (169962837).

242434731 is a wasteful number, since it uses less digits than its factorization.

242434731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24471.

The product of its digits is 16128, while the sum is 30.

The square root of 242434731 is about 15570.3157000749. The cubic root of 242434731 is about 623.5409000813.

Adding to 242434731 its reverse (137434242), we get a palindrome (379868973).

The spelling of 242434731 in words is "two hundred forty-two million, four hundred thirty-four thousand, seven hundred thirty-one".