3153020021 has 8 divisors (see below), whose sum is σ = 3366623040. Its totient is φ = 2945793312.

The previous prime is 3153019997. The next prime is 3153020063. The reversal of 3153020021 is 1200203513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3153020021 - 2³⁰ = 2079278197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3153020071) 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, 1593056 + ... + 1595033.

It is an arithmetic number, because the mean of its divisors is an integer number (420827880).

Almost surely, 2^3153020021 is an apocalyptic number.

It is an amenable number.

3153020021 is a deficient number, since it is larger than the sum of its proper divisors (213603019).

3153020021 is a wasteful number, since it uses less digits than its factorization.

3153020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3188155.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 3153020021 is about 56151.7588415537. The cubic root of 3153020021 is about 1466.3655291236.

Adding to 3153020021 its reverse (1200203513), we get a palindrome (4353223534).

The spelling of 3153020021 in words is "three billion, one hundred fifty-three million, twenty thousand, twenty-one".