3020305231 has 8 divisors (see below), whose sum is σ = 3124571264. Its totient is φ = 2916466560.

The previous prime is 3020305217. The next prime is 3020305279. The reversal of 3020305231 is 1325030203.

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 3020305231 - 2¹³ = 3020297039 is a prime.

It is a super-2 number, since 2×3020305231² = 18244487376811926722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3020305199 and 3020305208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3020305201) 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, 92430 + ... + 120763.

It is an arithmetic number, because the mean of its divisors is an integer number (390571408).

Almost surely, 2^3020305231 is an apocalyptic number.

3020305231 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3020305231 is a deficient number, since it is larger than the sum of its proper divisors (104266033).

3020305231 is a wasteful number, since it uses less digits than its factorization.

3020305231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213681.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 3020305231 is about 54957.3037093342. The cubic root of 3020305231 is about 1445.4961688154.

Adding to 3020305231 its reverse (1325030203), we get a palindrome (4345335434).

The spelling of 3020305231 in words is "three billion, twenty million, three hundred five thousand, two hundred thirty-one".