1302313211987 has 2 divisors, whose sum is σ = 1302313211988. Its totient is φ = 1302313211986.

The previous prime is 1302313211977. The next prime is 1302313212149. The reversal of 1302313211987 is 7891123132031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1302313211987 - 2¹⁶ = 1302313146451 is a prime.

It is not a weakly prime, because it can be changed into another prime (1302313211977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651156605993 + 651156605994.

It is an arithmetic number, because the mean of its divisors is an integer number (651156605994).

Almost surely, 2^{1302313211987} is an apocalyptic number.

1302313211987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1302313211987 is an equidigital number, since it uses as much as digits as its factorization.

1302313211987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 41.

The spelling of 1302313211987 in words is "one trillion, three hundred two billion, three hundred thirteen million, two hundred eleven thousand, nine hundred eighty-seven".