203021331332 has 24 divisors (see below), whose sum is σ = 374120574240. Its totient is φ = 96133564800.

The previous prime is 203021331329. The next prime is 203021331347. The reversal of 203021331332 is 233133120302.

It is a junction number, because it is equal to n+sod(n) for n = 203021331298 and 203021331307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263978 + ... + 689729.

It is an arithmetic number, because the mean of its divisors is an integer number (15588357260).

Almost surely, 2^203021331332 is an apocalyptic number.

It is an amenable number.

203021331332 is a deficient number, since it is larger than the sum of its proper divisors (171099242908).

203021331332 is a wasteful number, since it uses less digits than its factorization.

203021331332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956531 (or 956529 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 203021331332 its reverse (233133120302), we get a palindrome (436154451634).

The spelling of 203021331332 in words is "two hundred three billion, twenty-one million, three hundred thirty-one thousand, three hundred thirty-two".