203003021132 has 6 divisors (see below), whose sum is σ = 355255286988. Its totient is φ = 101501510564.

The previous prime is 203003021101. The next prime is 203003021141. The reversal of 203003021132 is 231120300302.

It is a super-2 number, since 2×203003021132² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 203003021132.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25375377638 + ... + 25375377645.

It is an arithmetic number, because the mean of its divisors is an integer number (59209214498).

Almost surely, 2^203003021132 is an apocalyptic number.

It is an amenable number.

203003021132 is a deficient number, since it is larger than the sum of its proper divisors (152252265856).

203003021132 is a wasteful number, since it uses less digits than its factorization.

203003021132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50750755287 (or 50750755285 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 203003021132 its reverse (231120300302), we get a palindrome (434123321434).

The spelling of 203003021132 in words is "two hundred three billion, three million, twenty-one thousand, one hundred thirty-two".