3011343021 has 8 divisors (see below), whose sum is σ = 4461248960. Its totient is φ = 2007561996.

The previous prime is 3011343017. The next prime is 3011343043. The reversal of 3011343021 is 1203431103.

3011343021 is a `hidden beast` number, since 301 + 1 + 343 + 0 + 21 = 666.

It is not a de Polignac number, because 3011343021 - 2² = 3011343017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3011342985 and 3011343003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3011343061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55765585 + ... + 55765638.

It is an arithmetic number, because the mean of its divisors is an integer number (557656120).

Almost surely, 2^3011343021 is an apocalyptic number.

It is an amenable number.

3011343021 is a deficient number, since it is larger than the sum of its proper divisors (1449905939).

3011343021 is a wasteful number, since it uses less digits than its factorization.

3011343021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111531232 (or 111531226 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3011343021 is about 54875.7051982022. The cubic root of 3011343021 is about 1444.0650027457.

Adding to 3011343021 its reverse (1203431103), we get a palindrome (4214774124).

The spelling of 3011343021 in words is "three billion, eleven million, three hundred forty-three thousand, twenty-one".