11331132031311 has 32 divisors (see below), whose sum is σ = 16208199290880. Its totient is φ = 7019399088000.

The previous prime is 11331132031301. The next prime is 11331132031313. The reversal of 11331132031311 is 11313023113311.

It is not a de Polignac number, because 11331132031311 - 2⁷ = 11331132031183 is a prime.

It is a super-2 number, since 2×11331132031311² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331132031313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9691161 + ... + 10797261.

It is an arithmetic number, because the mean of its divisors is an integer number (506506227840).

Almost surely, 2^{11331132031311} is an apocalyptic number.

11331132031311 is a deficient number, since it is larger than the sum of its proper divisors (4877067259569).

11331132031311 is a wasteful number, since it uses less digits than its factorization.

11331132031311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109567.

The product of its (nonzero) digits is 486, while the sum is 24.

Adding to 11331132031311 its reverse (11313023113311), we get a palindrome (22644155144622).

The spelling of 11331132031311 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-two million, thirty-one thousand, three hundred eleven".