213412444313 has 2 divisors, whose sum is σ = 213412444314. Its totient is φ = 213412444312.

The previous prime is 213412444283. The next prime is 213412444319. The reversal of 213412444313 is 313444214312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128316553369 + 85095890944 = 358213^2 + 291712^2 .

It is a cyclic number.

It is not a de Polignac number, because 213412444313 - 2²⁴ = 213395667097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213412444313.

It is not a weakly prime, because it can be changed into another prime (213412444319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106706222156 + 106706222157.

It is an arithmetic number, because the mean of its divisors is an integer number (106706222157).

Almost surely, 2^213412444313 is an apocalyptic number.

It is an amenable number.

213412444313 is a deficient number, since it is larger than the sum of its proper divisors (1).

213412444313 is an equidigital number, since it uses as much as digits as its factorization.

213412444313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 32.

Adding to 213412444313 its reverse (313444214312), we get a palindrome (526856658625).

The spelling of 213412444313 in words is "two hundred thirteen billion, four hundred twelve million, four hundred forty-four thousand, three hundred thirteen".