4231213313 has 2 divisors, whose sum is σ = 4231213314. Its totient is φ = 4231213312.

The previous prime is 4231213309. The next prime is 4231213321. The reversal of 4231213313 is 3133121324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4047122689 + 184090624 = 63617^2 + 13568^2 .

It is a cyclic number.

It is not a de Polignac number, because 4231213313 - 2² = 4231213309 is a prime.

It is a super-2 number, since 2×4231213313² = 35806332200216871938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4231219313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2115606656 + 2115606657.

It is an arithmetic number, because the mean of its divisors is an integer number (2115606657).

Almost surely, 2^4231213313 is an apocalyptic number.

It is an amenable number.

4231213313 is a deficient number, since it is larger than the sum of its proper divisors (1).

4231213313 is an equidigital number, since it uses as much as digits as its factorization.

4231213313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 23.

The square root of 4231213313 is about 65047.7771564871. Note that the first 3 decimals coincide. The cubic root of 4231213313 is about 1617.4156468651.

Adding to 4231213313 its reverse (3133121324), we get a palindrome (7364334637).

The spelling of 4231213313 in words is "four billion, two hundred thirty-one million, two hundred thirteen thousand, three hundred thirteen".