203111303424113 has 8 divisors (see below), whose sum is σ = 242219691040128. Its totient is φ = 166526037589824.

The previous prime is 203111303424101. The next prime is 203111303424119. The reversal of 203111303424113 is 311424303111302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203111303424113 - 2⁶ = 203111303424049 is a prime.

It is a super-4 number, since 4×203111303424113⁴ (a number of 58 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203111303424119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 630780445256 + ... + 630780445577.

It is an arithmetic number, because the mean of its divisors is an integer number (30277461380016).

Almost surely, 2^{203111303424113} is an apocalyptic number.

203111303424113 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

203111303424113 is a deficient number, since it is larger than the sum of its proper divisors (39108387616015).

203111303424113 is a wasteful number, since it uses less digits than its factorization.

203111303424113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261560890863.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 203111303424113 its reverse (311424303111302), we get a palindrome (514535606535415).

The spelling of 203111303424113 in words is "two hundred three trillion, one hundred eleven billion, three hundred three million, four hundred twenty-four thousand, one hundred thirteen".