4240120331 has 4 divisors (see below), whose sum is σ = 4489539192. Its totient is φ = 3990701472.

The previous prime is 4240120319. The next prime is 4240120517. The reversal of 4240120331 is 1330210424.

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 4240120331 - 2¹⁸ = 4239858187 is a prime.

It is a super-2 number, since 2×4240120331² = 35957240842719099122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4246120331) 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, 124709405 + ... + 124709438.

It is an arithmetic number, because the mean of its divisors is an integer number (1122384798).

Almost surely, 2^4240120331 is an apocalyptic number.

4240120331 is a deficient number, since it is larger than the sum of its proper divisors (249418861).

4240120331 is a wasteful number, since it uses less digits than its factorization.

4240120331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249418860.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 4240120331 is about 65116.2063621646. The cubic root of 4240120331 is about 1618.5497780791.

Adding to 4240120331 its reverse (1330210424), we get a palindrome (5570330755).

The spelling of 4240120331 in words is "four billion, two hundred forty million, one hundred twenty thousand, three hundred thirty-one".