12133302031 has 4 divisors (see below), whose sum is σ = 12362232312. Its totient is φ = 11904371752.

The previous prime is 12133302029. The next prime is 12133302043. The reversal of 12133302031 is 13020333121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13020333121 = 293 ⋅44437997.

It is a cyclic number.

It is not a de Polignac number, because 12133302031 - 2¹ = 12133302029 is a prime.

It is a super-2 number, since 2×12133302031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12133302331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114465061 + ... + 114465166.

It is an arithmetic number, because the mean of its divisors is an integer number (3090558078).

Almost surely, 2^12133302031 is an apocalyptic number.

12133302031 is a deficient number, since it is larger than the sum of its proper divisors (228930281).

12133302031 is an equidigital number, since it uses as much as digits as its factorization.

12133302031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228930280.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 12133302031 its reverse (13020333121), we get a palindrome (25153635152).

The spelling of 12133302031 in words is "twelve billion, one hundred thirty-three million, three hundred two thousand, thirty-one".