11331211013 has 4 divisors (see below), whose sum is σ = 11927590560. Its totient is φ = 10734831468.

The previous prime is 11331211007. The next prime is 11331211019. The reversal of 11331211013 is 31011213311.

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 an interprime number because it is at equal distance from previous prime (11331211007) and next prime (11331211019).

It is a cyclic number.

It is not a de Polignac number, because 11331211013 - 2⁸ = 11331210757 is a prime.

It is a super-2 number, since 2×11331211013² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11331210982 and 11331211000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331211019) 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, 298189745 + ... + 298189782.

It is an arithmetic number, because the mean of its divisors is an integer number (2981897640).

Almost surely, 2^11331211013 is an apocalyptic number.

It is an amenable number.

11331211013 is a deficient number, since it is larger than the sum of its proper divisors (596379547).

11331211013 is an equidigital number, since it uses as much as digits as its factorization.

11331211013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596379546.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 11331211013 its reverse (31011213311), we get a palindrome (42342424324).

The spelling of 11331211013 in words is "eleven billion, three hundred thirty-one million, two hundred eleven thousand, thirteen".