12031303031031 has 32 divisors (see below), whose sum is σ = 16885599833088. Its totient is φ = 7611756572160.

The previous prime is 12031303031021. The next prime is 12031303031057. The reversal of 12031303031031 is 13013030313021.

12031303031031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12031303031031 - 2¹⁵ = 12031302998263 is a prime.

It is a super-2 number, since 2×12031303031031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12031303030989 and 12031303031007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031303031021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5441686 + ... + 7326291.

It is an arithmetic number, because the mean of its divisors is an integer number (527674994784).

Almost surely, 2^{12031303031031} is an apocalyptic number.

12031303031031 is a deficient number, since it is larger than the sum of its proper divisors (4854296802057).

12031303031031 is a wasteful number, since it uses less digits than its factorization.

12031303031031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12768231.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 12031303031031 its reverse (13013030313021), we get a palindrome (25044333344052).

The spelling of 12031303031031 in words is "twelve trillion, thirty-one billion, three hundred three million, thirty-one thousand, thirty-one".