11331012132231 has 16 divisors (see below), whose sum is σ = 16482424555008. Its totient is φ = 6866883262400.

The previous prime is 11331012132211. The next prime is 11331012132331. The reversal of 11331012132231 is 13223121013311.

It is a cyclic number.

It is not a de Polignac number, because 11331012132231 - 2⁷ = 11331012132103 is a prime.

It is a super-2 number, since 2×11331012132231² (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 (11331012132211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9340191 + ... + 10483376.

It is an arithmetic number, because the mean of its divisors is an integer number (1030151534688).

Almost surely, 2^{11331012132231} is an apocalyptic number.

11331012132231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11331012132231 is a deficient number, since it is larger than the sum of its proper divisors (5151412422777).

11331012132231 is a wasteful number, since it uses less digits than its factorization.

11331012132231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19840902.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 11331012132231 its reverse (13223121013311), we get a palindrome (24554133145542).

The spelling of 11331012132231 in words is "eleven trillion, three hundred thirty-one billion, twelve million, one hundred thirty-two thousand, two hundred thirty-one".