203312301121030 has 32 divisors (see below), whose sum is σ = 366254613521280. Its totient is φ = 81259930321920.

The previous prime is 203312301121021. The next prime is 203312301121049. The reversal of 203312301121030 is 30121103213302.

It is a junction number, because it is equal to n+sod(n) for n = 203312301120992 and 203312301121010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 505097050 + ... + 505499410.

It is an arithmetic number, because the mean of its divisors is an integer number (11445456672540).

Almost surely, 2^{203312301121030} is an apocalyptic number.

203312301121030 is a deficient number, since it is larger than the sum of its proper divisors (162942312400250).

203312301121030 is a wasteful number, since it uses less digits than its factorization.

203312301121030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442624.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 203312301121030 its reverse (30121103213302), we get a palindrome (233433404334332).

The spelling of 203312301121030 in words is "two hundred three trillion, three hundred twelve billion, three hundred one million, one hundred twenty-one thousand, thirty".