11311202213 has 4 divisors (see below), whose sum is σ = 11312356608. Its totient is φ = 11310047820.

The previous prime is 11311202183. The next prime is 11311202233. The reversal of 11311202213 is 31220211311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11311202213 - 2¹⁴ = 11311185829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11311202191 and 11311202200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11311202233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 562373 + ... + 582138.

It is an arithmetic number, because the mean of its divisors is an integer number (2828089152).

Almost surely, 2^11311202213 is an apocalyptic number.

It is an amenable number.

11311202213 is a deficient number, since it is larger than the sum of its proper divisors (1154395).

11311202213 is an equidigital number, since it uses as much as digits as its factorization.

11311202213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154394.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11311202213 its reverse (31220211311), we get a palindrome (42531413524).

The spelling of 11311202213 in words is "eleven billion, three hundred eleven million, two hundred two thousand, two hundred thirteen".