113012311230 has 192 divisors, whose sum is σ = 371414429568. Its totient is φ = 23199851520.

The previous prime is 113012311207. The next prime is 113012311231. The reversal of 113012311230 is 32113210311.

113012311230 is a `hidden beast` number, since 11 + 301 + 231 + 123 + 0 = 666.

It is a super-2 number, since 2×113012311230² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113012311231) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 116560 + ... + 489500.

It is an arithmetic number, because the mean of its divisors is an integer number (1934450154).

Almost surely, 2^113012311230 is an apocalyptic number.

113012311230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 113012311230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185707214784).

113012311230 is an abundant number, since it is smaller than the sum of its proper divisors (258402118338).

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

113012311230 is a wasteful number, since it uses less digits than its factorization.

113012311230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373011 (or 373008 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 113012311230 its reverse (32113210311), we get a palindrome (145125521541).

The spelling of 113012311230 in words is "one hundred thirteen billion, twelve million, three hundred eleven thousand, two hundred thirty".