241720431 has 4 divisors (see below), whose sum is σ = 322293912. Its totient is φ = 161146952.

The previous prime is 241720421. The next prime is 241720469. The reversal of 241720431 is 134027142.

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 241720431 - 2¹¹ = 241718383 is a prime.

It is a super-2 number, since 2×241720431² = 116857533525651522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241720421) 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, 40286736 + ... + 40286741.

It is an arithmetic number, because the mean of its divisors is an integer number (80573478).

Almost surely, 2^241720431 is an apocalyptic number.

241720431 is a deficient number, since it is larger than the sum of its proper divisors (80573481).

241720431 is an equidigital number, since it uses as much as digits as its factorization.

241720431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80573480.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 241720431 is about 15547.3609014521. The cubic root of 241720431 is about 622.9279056586.

Adding to 241720431 its reverse (134027142), we get a palindrome (375747573).

The spelling of 241720431 in words is "two hundred forty-one million, seven hundred twenty thousand, four hundred thirty-one".