13000031003 has 4 divisors (see below), whose sum is σ = 13000279008. Its totient is φ = 12999783000.

The previous prime is 13000030973. The next prime is 13000031027. The reversal of 13000031003 is 30013000031.

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 13000031003 - 2¹⁴ = 13000014619 is a prime.

It is a super-2 number, since 2×13000031003² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13000031063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11123 + ... + 161628.

It is an arithmetic number, because the mean of its divisors is an integer number (3250069752).

Almost surely, 2^13000031003 is an apocalyptic number.

13000031003 is a deficient number, since it is larger than the sum of its proper divisors (248005).

13000031003 is an equidigital number, since it uses as much as digits as its factorization.

13000031003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248004.

The product of its (nonzero) digits is 27, while the sum is 11.

Adding to 13000031003 its reverse (30013000031), we get a palindrome (43013031034).

The spelling of 13000031003 in words is "thirteen billion, thirty-one thousand, three".