11211313331 has 8 divisors (see below), whose sum is σ = 11473473264. Its totient is φ = 10949218560.

The previous prime is 11211313327. The next prime is 11211313349. The reversal of 11211313331 is 13331311211.

11211313331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11211313331 - 2² = 11211313327 is a prime.

It is a super-2 number, since 2×11211313331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11211315331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604955 + ... + 623211.

It is an arithmetic number, because the mean of its divisors is an integer number (1434184158).

Almost surely, 2^11211313331 is an apocalyptic number.

11211313331 is a deficient number, since it is larger than the sum of its proper divisors (262159933).

11211313331 is a wasteful number, since it uses less digits than its factorization.

11211313331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32581.

The product of its digits is 162, while the sum is 20.

Adding to 11211313331 its reverse (13331311211), we get a palindrome (24542624542).

The spelling of 11211313331 in words is "eleven billion, two hundred eleven million, three hundred thirteen thousand, three hundred thirty-one".