4120313021 has 8 divisors (see below), whose sum is σ = 4505321088. Its totient is φ = 3737044000.

The previous prime is 4120313009. The next prime is 4120313053. The reversal of 4120313021 is 1203130214.

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 4120313021 - 2²² = 4116118717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4120313221) 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, 429800 + ... + 439281.

It is an arithmetic number, because the mean of its divisors is an integer number (563165136).

Almost surely, 2^4120313021 is an apocalyptic number.

It is an amenable number.

4120313021 is a deficient number, since it is larger than the sum of its proper divisors (385008067).

4120313021 is a wasteful number, since it uses less digits than its factorization.

4120313021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869523.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 4120313021 is about 64189.6644406247. The cubic root of 4120313021 is about 1603.1595147525.

Adding to 4120313021 its reverse (1203130214), we get a palindrome (5323443235).

The spelling of 4120313021 in words is "four billion, one hundred twenty million, three hundred thirteen thousand, twenty-one".