5231234213 has 2 divisors, whose sum is σ = 5231234214. Its totient is φ = 5231234212.

The previous prime is 5231234209. The next prime is 5231234219. The reversal of 5231234213 is 3124321325.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5078415169 + 152819044 = 71263^2 + 12362^2 .

It is a cyclic number.

It is not a de Polignac number, because 5231234213 - 2² = 5231234209 is a prime.

It is a super-2 number, since 2×5231234213² = 54731622782523458738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5231234219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2615617106 + 2615617107.

It is an arithmetic number, because the mean of its divisors is an integer number (2615617107).

Almost surely, 2^5231234213 is an apocalyptic number.

It is an amenable number.

5231234213 is a deficient number, since it is larger than the sum of its proper divisors (1).

5231234213 is an equidigital number, since it uses as much as digits as its factorization.

5231234213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 26.

The square root of 5231234213 is about 72327.2715716555. The cubic root of 5231234213 is about 1735.9400446361.

Adding to 5231234213 its reverse (3124321325), we get a palindrome (8355555538).

The spelling of 5231234213 in words is "five billion, two hundred thirty-one million, two hundred thirty-four thousand, two hundred thirteen".