12031331133011 has 8 divisors (see below), whose sum is σ = 13006844468880. Its totient is φ = 11090046335328.

The previous prime is 12031331132987. The next prime is 12031331133023. The reversal of 12031331133011 is 11033113313021.

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

It is a cyclic number.

It is not a de Polignac number, because 12031331133011 - 2¹⁰ = 12031331131987 is a prime.

It is a super-2 number, since 2×12031331133011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12031331133071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8557133816 + ... + 8557135221.

It is an arithmetic number, because the mean of its divisors is an integer number (1625855558610).

Almost surely, 2^{12031331133011} is an apocalyptic number.

12031331133011 is a deficient number, since it is larger than the sum of its proper divisors (975513335869).

12031331133011 is a wasteful number, since it uses less digits than its factorization.

12031331133011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17114269093.

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

Adding to 12031331133011 its reverse (11033113313021), we get a palindrome (23064444446032).

The spelling of 12031331133011 in words is "twelve trillion, thirty-one billion, three hundred thirty-one million, one hundred thirty-three thousand, eleven".