213232311013 has 2 divisors, whose sum is σ = 213232311014. Its totient is φ = 213232311012.

The previous prime is 213232310969. The next prime is 213232311113. The reversal of 213232311013 is 310113232312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197591807169 + 15640503844 = 444513^2 + 125062^2 .

It is a cyclic number.

It is not a de Polignac number, because 213232311013 - 2¹³ = 213232302821 is a prime.

It is a super-2 number, since 2×213232311013² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213232311113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106616155506 + 106616155507.

It is an arithmetic number, because the mean of its divisors is an integer number (106616155507).

Almost surely, 2^213232311013 is an apocalyptic number.

It is an amenable number.

213232311013 is a deficient number, since it is larger than the sum of its proper divisors (1).

213232311013 is an equidigital number, since it uses as much as digits as its factorization.

213232311013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 213232311013 its reverse (310113232312), we get a palindrome (523345543325).

The spelling of 213232311013 in words is "two hundred thirteen billion, two hundred thirty-two million, three hundred eleven thousand, thirteen".