13031213231087 has 2 divisors, whose sum is σ = 13031213231088. Its totient is φ = 13031213231086.

The previous prime is 13031213231063. The next prime is 13031213231111. The reversal of 13031213231087 is 78013231213031.

It is a balanced prime because it is at equal distance from previous prime (13031213231063) and next prime (13031213231111).

It is a cyclic number.

It is not a de Polignac number, because 13031213231087 - 2²⁰ = 13031212182511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13031213231017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6515606615543 + 6515606615544.

It is an arithmetic number, because the mean of its divisors is an integer number (6515606615544).

Almost surely, 2^{13031213231087} is an apocalyptic number.

13031213231087 is a deficient number, since it is larger than the sum of its proper divisors (1).

13031213231087 is an equidigital number, since it uses as much as digits as its factorization.

13031213231087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The spelling of 13031213231087 in words is "thirteen trillion, thirty-one billion, two hundred thirteen million, two hundred thirty-one thousand, eighty-seven".