203221310331113 has 32 divisors (see below), whose sum is σ = 216527370393600. Its totient is φ = 190323147928320.

The previous prime is 203221310331047. The next prime is 203221310331121. The reversal of 203221310331113 is 311133013122302.

It is a cyclic number.

It is not a de Polignac number, because 203221310331113 - 2¹⁰ = 203221310330089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203221310331173) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4920711338 + ... + 4920752636.

It is an arithmetic number, because the mean of its divisors is an integer number (6766480324800).

Almost surely, 2^{203221310331113} is an apocalyptic number.

203221310331113 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

203221310331113 is a deficient number, since it is larger than the sum of its proper divisors (13306060062487).

203221310331113 is a wasteful number, since it uses less digits than its factorization.

203221310331113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60677.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 203221310331113 its reverse (311133013122302), we get a palindrome (514354323453415).

The spelling of 203221310331113 in words is "two hundred three trillion, two hundred twenty-one billion, three hundred ten million, three hundred thirty-one thousand, one hundred thirteen".