4381540331 has 4 divisors (see below), whose sum is σ = 5007474672. Its totient is φ = 3755605992.

The previous prime is 4381540297. The next prime is 4381540351. The reversal of 4381540331 is 1330451834.

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 4381540331 - 2¹⁴ = 4381523947 is a prime.

It is a super-2 number, since 2×4381540331² = 38395791344359179122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4381540351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312967160 + ... + 312967173.

It is an arithmetic number, because the mean of its divisors is an integer number (1251868668).

Almost surely, 2^4381540331 is an apocalyptic number.

4381540331 is a deficient number, since it is larger than the sum of its proper divisors (625934341).

4381540331 is an equidigital number, since it uses as much as digits as its factorization.

4381540331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625934340.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 4381540331 is about 66193.2045681428. The cubic root of 4381540331 is about 1636.3477533588.

The spelling of 4381540331 in words is "four billion, three hundred eighty-one million, five hundred forty thousand, three hundred thirty-one".