12031331132311 has 12 divisors (see below), whose sum is σ = 12443994019776. Its totient is φ = 11631951444960.

The previous prime is 12031331132269. The next prime is 12031331132321. The reversal of 12031331132311 is 11323113313021.

It is not a de Polignac number, because 12031331132311 - 2³⁵ = 11996971393943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031331132321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5067111 + ... + 7052536.

It is an arithmetic number, because the mean of its divisors is an integer number (1036999501648).

Almost surely, 2^{12031331132311} is an apocalyptic number.

12031331132311 is a deficient number, since it is larger than the sum of its proper divisors (412662887465).

12031331132311 is a wasteful number, since it uses less digits than its factorization.

12031331132311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12120742 (or 12120711 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 12031331132311 its reverse (11323113313021), we get a palindrome (23354444445332).

The spelling of 12031331132311 in words is "twelve trillion, thirty-one billion, three hundred thirty-one million, one hundred thirty-two thousand, three hundred eleven".