213103307632987 has 2 divisors, whose sum is σ = 213103307632988. Its totient is φ = 213103307632986.

The previous prime is 213103307632937. The next prime is 213103307632993. The reversal of 213103307632987 is 789236703301312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213103307632987 - 2²⁷ = 213103173415259 is a prime.

It is not a weakly prime, because it can be changed into another prime (213103307632937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106551653816493 + 106551653816494.

It is an arithmetic number, because the mean of its divisors is an integer number (106551653816494).

Almost surely, 2^{213103307632987} is an apocalyptic number.

213103307632987 is a deficient number, since it is larger than the sum of its proper divisors (1).

213103307632987 is an equidigital number, since it uses as much as digits as its factorization.

213103307632987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6858432, while the sum is 55.

The spelling of 213103307632987 in words is "two hundred thirteen trillion, one hundred three billion, three hundred seven million, six hundred thirty-two thousand, nine hundred eighty-seven".