3340031721 has 32 divisors (see below), whose sum is σ = 4868908800. Its totient is φ = 2024352000.

The previous prime is 3340031711. The next prime is 3340031741. The reversal of 3340031721 is 1271300433.

It is not a de Polignac number, because 3340031721 - 2⁵ = 3340031689 is a prime.

It is a super-2 number, since 2×3340031721² = 22311623794572443682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3340031691 and 3340031700.

It is not an unprimeable number, because it can be changed into a prime (3340031711) 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 31 ways as a sum of consecutive naturals, for example, 781731 + ... + 785991.

It is an arithmetic number, because the mean of its divisors is an integer number (152153400).

Almost surely, 2^3340031721 is an apocalyptic number.

It is an amenable number.

3340031721 is a deficient number, since it is larger than the sum of its proper divisors (1528877079).

3340031721 is a wasteful number, since it uses less digits than its factorization.

3340031721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4577.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 3340031721 is about 57793.0075441658. The cubic root of 3340031721 is about 1494.8015188976.

The spelling of 3340031721 in words is "three billion, three hundred forty million, thirty-one thousand, seven hundred twenty-one".