215135303103 has 16 divisors (see below), whose sum is σ = 364250248960. Its totient is φ = 122934458808.

The previous prime is 215135303101. The next prime is 215135303107. The reversal of 215135303103 is 301303531512.

215135303103 is a `hidden beast` number, since 2 + 15 + 13 + 530 + 3 + 103 = 666.

215135303103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 215135303103 - 2¹ = 215135303101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215135303101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569140825 + ... + 569141202.

It is an arithmetic number, because the mean of its divisors is an integer number (22765640560).

Almost surely, 2^215135303103 is an apocalyptic number.

215135303103 is a deficient number, since it is larger than the sum of its proper divisors (149114945857).

215135303103 is a wasteful number, since it uses less digits than its factorization.

215135303103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138282043 (or 1138282037 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 27.

Adding to 215135303103 its reverse (301303531512), we get a palindrome (516438834615).

The spelling of 215135303103 in words is "two hundred fifteen billion, one hundred thirty-five million, three hundred three thousand, one hundred three".