203313520153 has 16 divisors (see below), whose sum is σ = 217828857600. Its totient is φ = 189185265360.

The previous prime is 203313520121. The next prime is 203313520169. The reversal of 203313520153 is 351025313302.

It is a cyclic number.

It is not a de Polignac number, because 203313520153 - 2⁵ = 203313520121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203313520183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1235250 + ... + 1390132.

It is an arithmetic number, because the mean of its divisors is an integer number (13614303600).

Almost surely, 2^203313520153 is an apocalyptic number.

It is an amenable number.

203313520153 is a deficient number, since it is larger than the sum of its proper divisors (14515337447).

203313520153 is a wasteful number, since it uses less digits than its factorization.

203313520153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156132.

The product of its (nonzero) digits is 8100, while the sum is 28.

Adding to 203313520153 its reverse (351025313302), we get a palindrome (554338833455).

The spelling of 203313520153 in words is "two hundred three billion, three hundred thirteen million, five hundred twenty thousand, one hundred fifty-three".