4531309213 has 2 divisors, whose sum is σ = 4531309214. Its totient is φ = 4531309212.

The previous prime is 4531309199. The next prime is 4531309261. The reversal of 4531309213 is 3129031354.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4035044484 + 496264729 = 63522^2 + 22277^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4531309213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4531309273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2265654606 + 2265654607.

It is an arithmetic number, because the mean of its divisors is an integer number (2265654607).

Almost surely, 2^4531309213 is an apocalyptic number.

It is an amenable number.

4531309213 is a deficient number, since it is larger than the sum of its proper divisors (1).

4531309213 is an equidigital number, since it uses as much as digits as its factorization.

4531309213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 4531309213 is about 67314.9999108668. Note that the first 4 decimals coincide. The cubic root of 4531309213 is about 1654.7836950142.

The spelling of 4531309213 in words is "four billion, five hundred thirty-one million, three hundred nine thousand, two hundred thirteen".