13031999999 has 2 divisors, whose sum is σ = 13032000000. Its totient is φ = 13031999998.

The previous prime is 13031999993. The next prime is 13032000017. The reversal of 13031999999 is 99999913031.

13031999999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13031999999 - 2⁴ = 13031999983 is a prime.

13031999999 is a modest number, since divided by 999999 gives 13031 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13031999993) 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 as a sum of consecutive naturals, namely, 6515999999 + 6516000000.

It is an arithmetic number, because the mean of its divisors is an integer number (6516000000).

Almost surely, 2^13031999999 is an apocalyptic number.

13031999999 is a deficient number, since it is larger than the sum of its proper divisors (1).

13031999999 is an equidigital number, since it uses as much as digits as its factorization.

13031999999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4782969, while the sum is 62.

The spelling of 13031999999 in words is "thirteen billion, thirty-one million, nine hundred ninety-nine thousand, nine hundred ninety-nine".