11331230313011 has 48 divisors (see below), whose sum is σ = 13639424163840. Its totient is φ = 9208743075840.

The previous prime is 11331230312981. The next prime is 11331230313019. The reversal of 11331230313011 is 11031303213311.

It is a de Polignac number, because none of the positive numbers 2^k-11331230313011 is a prime.

It is a super-2 number, since 2×11331230313011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11331230313019) 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, 951958286 + ... + 951970188.

It is an arithmetic number, because the mean of its divisors is an integer number (284154670080).

Almost surely, 2^{11331230313011} is an apocalyptic number.

11331230313011 is a deficient number, since it is larger than the sum of its proper divisors (2308193850829).

11331230313011 is an equidigital number, since it uses as much as digits as its factorization.

11331230313011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12524 (or 12267 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 11331230313011 its reverse (11031303213311), we get a palindrome (22362533526322).

The spelling of 11331230313011 in words is "eleven trillion, three hundred thirty-one billion, two hundred thirty million, three hundred thirteen thousand, eleven".