203315404552 has 16 divisors (see below), whose sum is σ = 410540720940. Its totient is φ = 93837878976.

The previous prime is 203315404549. The next prime is 203315404553. The reversal of 203315404552 is 255404513302.

It can be written as a sum of positive squares in 2 ways, for example, as 170960748676 + 32354655876 = 413474^2 + 179874^2 .

It is a super-3 number, since 3×203315404552³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (203315404553) 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, 977477803 + ... + 977478010.

Almost surely, 2^203315404552 is an apocalyptic number.

It is an amenable number.

203315404552 is an abundant number, since it is smaller than the sum of its proper divisors (207225316388).

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

203315404552 is a wasteful number, since it uses less digits than its factorization.

203315404552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954955832 (or 1954955828 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 203315404552 its reverse (255404513302), we get a palindrome (458719917854).

The spelling of 203315404552 in words is "two hundred three billion, three hundred fifteen million, four hundred four thousand, five hundred fifty-two".