113203320320 has 40 divisors (see below), whose sum is σ = 271422654624. Its totient is φ = 45281327104.

The previous prime is 113203320311. The next prime is 113203320353. The reversal of 113203320320 is 23023302311.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 113203320292 and 113203320301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22107464 + ... + 22112583.

Almost surely, 2^113203320320 is an apocalyptic number.

113203320320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113203320320 is an abundant number, since it is smaller than the sum of its proper divisors (158219334304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113203320320 is an frugal number, since it uses more digits than its factorization.

113203320320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44220070 (or 44220054 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 113203320320 its reverse (23023302311), we get a palindrome (136226622631).

The spelling of 113203320320 in words is "one hundred thirteen billion, two hundred three million, three hundred twenty thousand, three hundred twenty".