20013031103089 has 2 divisors, whose sum is σ = 20013031103090. Its totient is φ = 20013031103088.

The previous prime is 20013031103083. The next prime is 20013031103119. The reversal of 20013031103089 is 98030113031002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17004835710864 + 3008195392225 = 4123692^2 + 1734415^2 .

It is a cyclic number.

It is not a de Polignac number, because 20013031103089 - 2¹⁵ = 20013031070321 is a prime.

It is a super-2 number, since 2×20013031103089² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20013031103089.

It is not a weakly prime, because it can be changed into another prime (20013031103083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006515551544 + 10006515551545.

It is an arithmetic number, because the mean of its divisors is an integer number (10006515551545).

Almost surely, 2^{20013031103089} is an apocalyptic number.

It is an amenable number.

20013031103089 is a deficient number, since it is larger than the sum of its proper divisors (1).

20013031103089 is an equidigital number, since it uses as much as digits as its factorization.

20013031103089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 20013031103089 in words is "twenty trillion, thirteen billion, thirty-one million, one hundred three thousand, eighty-nine".