113131212122300 has 72 divisors (see below), whose sum is σ = 248235642162480. Its totient is φ = 44748037785600.

The previous prime is 113131212122287. The next prime is 113131212122359. The reversal of 113131212122300 is 3221212131311.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6517931 + ... + 16393469.

Almost surely, 2^{113131212122300} is an apocalyptic number.

113131212122300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113131212122300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124117821081240).

113131212122300 is an abundant number, since it is smaller than the sum of its proper divisors (135104430040180).

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

113131212122300 is a wasteful number, since it uses less digits than its factorization.

113131212122300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9876831 (or 9876824 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 113131212122300 its reverse (3221212131311), we get a palindrome (116352424253611).

The spelling of 113131212122300 in words is "one hundred thirteen trillion, one hundred thirty-one billion, two hundred twelve million, one hundred twenty-two thousand, three hundred".