3021393331 has 16 divisors (see below), whose sum is σ = 3409855488. Its totient is φ = 2652285600.

The previous prime is 3021393329. The next prime is 3021393359. The reversal of 3021393331 is 1333931203.

It is not a de Polignac number, because 3021393331 - 2¹ = 3021393329 is a prime.

It is a super-2 number, since 2×3021393331² = 18257635321222551122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3021393331.

It is not an unprimeable number, because it can be changed into a prime (3021393031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149761 + ... + 168733.

It is an arithmetic number, because the mean of its divisors is an integer number (213115968).

Almost surely, 2^3021393331 is an apocalyptic number.

3021393331 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3021393331 is a deficient number, since it is larger than the sum of its proper divisors (388462157).

3021393331 is a wasteful number, since it uses less digits than its factorization.

3021393331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19482.

The product of its (nonzero) digits is 4374, while the sum is 28.

The square root of 3021393331 is about 54967.2023210205. The cubic root of 3021393331 is about 1445.6697335625.

The spelling of 3021393331 in words is "three billion, twenty-one million, three hundred ninety-three thousand, three hundred thirty-one".