12311002033 has 16 divisors (see below), whose sum is σ = 13637856960. Its totient is φ = 11018937600.

The previous prime is 12311001977. The next prime is 12311002043. The reversal of 12311002033 is 33020011321.

It is a de Polignac number, because none of the positive numbers 2^k-12311002033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12311001998 and 12311002016.

It is not an unprimeable number, because it can be changed into a prime (12311002043) 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, 2008213 + ... + 2014333.

It is an arithmetic number, because the mean of its divisors is an integer number (852366060).

Almost surely, 2^12311002033 is an apocalyptic number.

It is an amenable number.

12311002033 is a deficient number, since it is larger than the sum of its proper divisors (1326854927).

12311002033 is a wasteful number, since it uses less digits than its factorization.

12311002033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8928.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 12311002033 its reverse (33020011321), we get a palindrome (45331013354).

The spelling of 12311002033 in words is "twelve billion, three hundred eleven million, two thousand, thirty-three".