13330031213 has 2 divisors, whose sum is σ = 13330031214. Its totient is φ = 13330031212.

The previous prime is 13330031137. The next prime is 13330031243. The reversal of 13330031213 is 31213003331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11599720804 + 1730310409 = 107702^2 + 41597^2 .

It is a cyclic number.

It is not a de Polignac number, because 13330031213 - 2⁸ = 13330030957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13330031243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6665015606 + 6665015607.

It is an arithmetic number, because the mean of its divisors is an integer number (6665015607).

Almost surely, 2^13330031213 is an apocalyptic number.

It is an amenable number.

13330031213 is a deficient number, since it is larger than the sum of its proper divisors (1).

13330031213 is an equidigital number, since it uses as much as digits as its factorization.

13330031213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 13330031213 its reverse (31213003331), we get a palindrome (44543034544).

The spelling of 13330031213 in words is "thirteen billion, three hundred thirty million, thirty-one thousand, two hundred thirteen".