203011021030 has 32 divisors (see below), whose sum is σ = 368586288000. Its totient is φ = 80503446912.

The previous prime is 203011020983. The next prime is 203011021051. The reversal of 203011021030 is 30120110302.

203011021030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 203011021030.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 435651 + ... + 771889.

It is an arithmetic number, because the mean of its divisors is an integer number (11518321500).

Almost surely, 2^203011021030 is an apocalyptic number.

203011021030 is a deficient number, since it is larger than the sum of its proper divisors (165575266970).

203011021030 is a wasteful number, since it uses less digits than its factorization.

203011021030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336768.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 203011021030 its reverse (30120110302), we get a palindrome (233131131332).

The spelling of 203011021030 in words is "two hundred three billion, eleven million, twenty-one thousand, thirty".