11331320322311 has 48 divisors (see below), whose sum is σ = 12835368296352. Its totient is φ = 9988645328640.

The previous prime is 11331320322271. The next prime is 11331320322347. The reversal of 11331320322311 is 11322302313311.

It is not a de Polignac number, because 11331320322311 - 2⁶ = 11331320322247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331320312311) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1703186261 + ... + 1703192913.

It is an arithmetic number, because the mean of its divisors is an integer number (267403506174).

Almost surely, 2^{11331320322311} is an apocalyptic number.

11331320322311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11331320322311 is a deficient number, since it is larger than the sum of its proper divisors (1504047974041).

11331320322311 is a wasteful number, since it uses less digits than its factorization.

11331320322311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7952 (or 7941 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 11331320322311 its reverse (11322302313311), we get a palindrome (22653622635622).

The spelling of 11331320322311 in words is "eleven trillion, three hundred thirty-one billion, three hundred twenty million, three hundred twenty-two thousand, three hundred eleven".