113203302312 has 32 divisors (see below), whose sum is σ = 283018737600. Its totient is φ = 37733036544.

The previous prime is 113203302269. The next prime is 113203302319. The reversal of 113203302312 is 213203302311.

It is not an unprimeable number, because it can be changed into a prime (113203302319) 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, 730389 + ... + 871707.

It is an arithmetic number, because the mean of its divisors is an integer number (8844335550).

Almost surely, 2^113203302312 is an apocalyptic number.

113203302312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113203302312 is an abundant number, since it is smaller than the sum of its proper divisors (169815435288).

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

113203302312 is a wasteful number, since it uses less digits than its factorization.

113203302312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174705 (or 174701 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 113203302312 its reverse (213203302311), we get a palindrome (326406604623).

Subtracting 113203302312 from its reverse (213203302311), we obtain a palindrome (99999999999).

The spelling of 113203302312 in words is "one hundred thirteen billion, two hundred three million, three hundred two thousand, three hundred twelve".