4314243021 has 24 divisors (see below), whose sum is σ = 6332098080. Its totient is φ = 2610849120.

The previous prime is 4314243013. The next prime is 4314243023. The reversal of 4314243021 is 1203424134.

It is not a de Polignac number, because 4314243021 - 2³ = 4314243013 is a prime.

It is a super-2 number, since 2×4314243021² = 37225385688494412882, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4314242982 and 4314243000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4314243023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 248986 + ... + 265748.

It is an arithmetic number, because the mean of its divisors is an integer number (263837420).

Almost surely, 2^4314243021 is an apocalyptic number.

It is an amenable number.

4314243021 is a deficient number, since it is larger than the sum of its proper divisors (2017855059).

4314243021 is a wasteful number, since it uses less digits than its factorization.

4314243021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17497 (or 17486 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 4314243021 is about 65682.8974771972. The cubic root of 4314243021 is about 1627.9267832911.

Adding to 4314243021 its reverse (1203424134), we get a palindrome (5517667155).

The spelling of 4314243021 in words is "four billion, three hundred fourteen million, two hundred forty-three thousand, twenty-one".