10313313221987 has 2 divisors, whose sum is σ = 10313313221988. Its totient is φ = 10313313221986.

The previous prime is 10313313221971. The next prime is 10313313222001. The reversal of 10313313221987 is 78912231331301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10313313221987 - 2⁴ = 10313313221971 is a prime.

It is a super-2 number, since 2×10313313221987² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10313312221987) 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, 5156656610993 + 5156656610994.

It is an arithmetic number, because the mean of its divisors is an integer number (5156656610994).

Almost surely, 2^{10313313221987} is an apocalyptic number.

10313313221987 is a deficient number, since it is larger than the sum of its proper divisors (1).

10313313221987 is an equidigital number, since it uses as much as digits as its factorization.

10313313221987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 44.

The spelling of 10313313221987 in words is "ten trillion, three hundred thirteen billion, three hundred thirteen million, two hundred twenty-one thousand, nine hundred eighty-seven".