203315523252 has 12 divisors (see below), whose sum is σ = 474402887616. Its totient is φ = 67771841080.

The previous prime is 203315523227. The next prime is 203315523253. The reversal of 203315523252 is 252325513302.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×203315523252³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203315523253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8471480124 + ... + 8471480147.

It is an arithmetic number, because the mean of its divisors is an integer number (39533573968).

Almost surely, 2^203315523252 is an apocalyptic number.

It is an amenable number.

203315523252 is an abundant number, since it is smaller than the sum of its proper divisors (271087364364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203315523252 is a wasteful number, since it uses less digits than its factorization.

203315523252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16942960278 (or 16942960276 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 33.

The spelling of 203315523252 in words is "two hundred three billion, three hundred fifteen million, five hundred twenty-three thousand, two hundred fifty-two".