31853115103 has 2 divisors, whose sum is σ = 31853115104. Its totient is φ = 31853115102.

The previous prime is 31853115089. The next prime is 31853115197. The reversal of 31853115103 is 30151135813.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31853115103 - 2²⁹ = 31316244191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31853115803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15926557551 + 15926557552.

It is an arithmetic number, because the mean of its divisors is an integer number (15926557552).

Almost surely, 2^31853115103 is an apocalyptic number.

31853115103 is a deficient number, since it is larger than the sum of its proper divisors (1).

31853115103 is an equidigital number, since it uses as much as digits as its factorization.

31853115103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 31853115103 in words is "thirty-one billion, eight hundred fifty-three million, one hundred fifteen thousand, one hundred three".