12133111031 has 8 divisors (see below), whose sum is σ = 12579462000. Its totient is φ = 11688624640.

The previous prime is 12133111007. The next prime is 12133111033. The reversal of 12133111031 is 13011133121.

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 12133111031 - 2⁶ = 12133110967 is a prime.

It is a super-2 number, since 2×12133111031² (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 (12133111033) 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, 452885 + ... + 478926.

It is an arithmetic number, because the mean of its divisors is an integer number (1572432750).

Almost surely, 2^12133111031 is an apocalyptic number.

12133111031 is a deficient number, since it is larger than the sum of its proper divisors (446350969).

12133111031 is an equidigital number, since it uses as much as digits as its factorization.

12133111031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932289.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 12133111031 its reverse (13011133121), we get a palindrome (25144244152).

The spelling of 12133111031 in words is "twelve billion, one hundred thirty-three million, one hundred eleven thousand, thirty-one".