13031003031 has 4 divisors (see below), whose sum is σ = 17374670712. Its totient is φ = 8687335352.

The previous prime is 13031003023. The next prime is 13031003033. The reversal of 13031003031 is 13030013031.

13031003031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13031003031 - 2³ = 13031003023 is a prime.

It is a super-2 number, since 2×13031003031² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13031003031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13031003033) 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 3 ways as a sum of consecutive naturals, for example, 2171833836 + ... + 2171833841.

It is an arithmetic number, because the mean of its divisors is an integer number (4343667678).

Almost surely, 2^13031003031 is an apocalyptic number.

13031003031 is a deficient number, since it is larger than the sum of its proper divisors (4343667681).

13031003031 is an equidigital number, since it uses as much as digits as its factorization.

13031003031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4343667680.

The product of its (nonzero) digits is 81, while the sum is 15.

Adding to 13031003031 its reverse (13030013031), we get a palindrome (26061016062).

The spelling of 13031003031 in words is "thirteen billion, thirty-one million, three thousand, thirty-one".