13031113187 has 2 divisors, whose sum is σ = 13031113188. Its totient is φ = 13031113186.

The previous prime is 13031113171. The next prime is 13031113201. The reversal of 13031113187 is 78131113031.

It is a strong prime.

It is an emirp because it is prime and its reverse (78131113031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13031113187 - 2⁴ = 13031113171 is a prime.

It is not a weakly prime, because it can be changed into another prime (13031113157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6515556593 + 6515556594.

It is an arithmetic number, because the mean of its divisors is an integer number (6515556594).

Almost surely, 2^13031113187 is an apocalyptic number.

13031113187 is a deficient number, since it is larger than the sum of its proper divisors (1).

13031113187 is an equidigital number, since it uses as much as digits as its factorization.

13031113187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 29.

The spelling of 13031113187 in words is "thirteen billion, thirty-one million, one hundred thirteen thousand, one hundred eighty-seven".