113203221313 has 16 divisors (see below), whose sum is σ = 139629321216. Its totient is φ = 89373061440.

The previous prime is 113203221259. The next prime is 113203221331. The reversal of 113203221313 is 313122302311.

It is not a de Polignac number, because 113203221313 - 2¹⁷ = 113203090241 is a prime.

It is a super-3 number, since 3×113203221313³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (113203221113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1307281 + ... + 1391182.

It is an arithmetic number, because the mean of its divisors is an integer number (8726832576).

Almost surely, 2^113203221313 is an apocalyptic number.

113203221313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

113203221313 is a deficient number, since it is larger than the sum of its proper divisors (26426099903).

113203221313 is a wasteful number, since it uses less digits than its factorization.

113203221313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2698944.

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

Adding to 113203221313 its reverse (313122302311), we get a palindrome (426325523624).

The spelling of 113203221313 in words is "one hundred thirteen billion, two hundred three million, two hundred twenty-one thousand, three hundred thirteen".