203133132 has 36 divisors (see below), whose sum is σ = 518777896. Its totient is φ = 67011840.

The previous prime is 203133131. The next prime is 203133137. The reversal of 203133132 is 231331302.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×203133132² = 82526138632258848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (203133131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25594 + ... + 32577.

Almost surely, 2^203133132 is an apocalyptic number.

It is an amenable number.

203133132 is an abundant number, since it is smaller than the sum of its proper divisors (315644764).

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

203133132 is a wasteful number, since it uses less digits than its factorization.

203133132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58278 (or 58273 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 203133132 is about 14252.4781003164. The cubic root of 203133132 is about 587.8415163604.

Adding to 203133132 its reverse (231331302), we get a palindrome (434464434).

The spelling of 203133132 in words is "two hundred three million, one hundred thirty-three thousand, one hundred thirty-two".