203313230030 has 16 divisors (see below), whose sum is σ = 366300506880. Its totient is φ = 81250471392.

The previous prime is 203313230011. The next prime is 203313230149. The reversal of 203313230030 is 30032313302.

It is a junction number, because it is equal to n+sod(n) for n = 203313229984 and 203313230011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9341165 + ... + 9362904.

It is an arithmetic number, because the mean of its divisors is an integer number (22893781680).

Almost surely, 2^203313230030 is an apocalyptic number.

203313230030 is a deficient number, since it is larger than the sum of its proper divisors (162987276850).

203313230030 is a wasteful number, since it uses less digits than its factorization.

203313230030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18705163.

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 203313230030 its reverse (30032313302), we get a palindrome (233345543332).

The spelling of 203313230030 in words is "two hundred three billion, three hundred thirteen million, two hundred thirty thousand, thirty".