11319401213 has 2 divisors, whose sum is σ = 11319401214. Its totient is φ = 11319401212.

The previous prime is 11319401131. The next prime is 11319401257. The reversal of 11319401213 is 31210491311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9884734084 + 1434667129 = 99422^2 + 37877^2 .

It is a cyclic number.

It is not a de Polignac number, because 11319401213 - 2¹⁰ = 11319400189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11319401273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5659700606 + 5659700607.

It is an arithmetic number, because the mean of its divisors is an integer number (5659700607).

Almost surely, 2^11319401213 is an apocalyptic number.

It is an amenable number.

11319401213 is a deficient number, since it is larger than the sum of its proper divisors (1).

11319401213 is an equidigital number, since it uses as much as digits as its factorization.

11319401213 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 26.

Adding to 11319401213 its reverse (31210491311), we get a palindrome (42529892524).

The spelling of 11319401213 in words is "eleven billion, three hundred nineteen million, four hundred one thousand, two hundred thirteen".