12013001031 has 8 divisors (see below), whose sum is σ = 16389831040. Its totient is φ = 7822419192.

The previous prime is 12013001029. The next prime is 12013001051. The reversal of 12013001031 is 13010031021.

12013001031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12013001031 - 2¹ = 12013001029 is a prime.

It is a super-2 number, since 2×12013001031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12013000998 and 12013001016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013001051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46561891 + ... + 46562148.

It is an arithmetic number, because the mean of its divisors is an integer number (2048728880).

Almost surely, 2^12013001031 is an apocalyptic number.

12013001031 is a deficient number, since it is larger than the sum of its proper divisors (4376830009).

12013001031 is an equidigital number, since it uses as much as digits as its factorization.

12013001031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93124085.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 12013001031 its reverse (13010031021), we get a palindrome (25023032052).

The spelling of 12013001031 in words is "twelve billion, thirteen million, one thousand, thirty-one".