12011313131331 has 8 divisors (see below), whose sum is σ = 16018766667600. Its totient is φ = 8005700841312.

The previous prime is 12011313131299. The next prime is 12011313131333. The reversal of 12011313131331 is 13313131311021.

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

It is not a de Polignac number, because 12011313131331 - 2⁵ = 12011313131299 is a prime.

It is a super-2 number, since 2×12011313131331² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12011313131333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460296340 + ... + 460322433.

It is an arithmetic number, because the mean of its divisors is an integer number (2002345833450).

Almost surely, 2^{12011313131331} is an apocalyptic number.

12011313131331 is a deficient number, since it is larger than the sum of its proper divisors (4007453536269).

12011313131331 is an equidigital number, since it uses as much as digits as its factorization.

12011313131331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920623125.

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

Adding to 12011313131331 its reverse (13313131311021), we get a palindrome (25324444442352).

The spelling of 12011313131331 in words is "twelve trillion, eleven billion, three hundred thirteen million, one hundred thirty-one thousand, three hundred thirty-one".