3040021331 has 4 divisors (see below), whose sum is σ = 3040582464. Its totient is φ = 3039460200.

The previous prime is 3040021319. The next prime is 3040021373. The reversal of 3040021331 is 1331200403.

It is a happy number.

3040021331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1331200403 = 13 ⋅102400031.

It is a cyclic number.

It is not a de Polignac number, because 3040021331 - 2¹⁸ = 3039759187 is a prime.

It is a super-2 number, since 2×3040021331² = 18483459385870023122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3040021631) 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, 272360 + ... + 283301.

It is an arithmetic number, because the mean of its divisors is an integer number (760145616).

Almost surely, 2^3040021331 is an apocalyptic number.

3040021331 is a deficient number, since it is larger than the sum of its proper divisors (561133).

3040021331 is an equidigital number, since it uses as much as digits as its factorization.

3040021331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561132.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 3040021331 is about 55136.3884471952. The cubic root of 3040021331 is about 1448.6346769210.

Adding to 3040021331 its reverse (1331200403), we get a palindrome (4371221734).

The spelling of 3040021331 in words is "three billion, forty million, twenty-one thousand, three hundred thirty-one".