113231120130 has 128 divisors (see below), whose sum is σ = 303361148160. Its totient is φ = 30054205440.

The previous prime is 113231120113. The next prime is 113231120161. The reversal of 113231120130 is 31021132311.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 66723442 + ... + 66725138.

It is an arithmetic number, because the mean of its divisors is an integer number (2370008970).

Almost surely, 2^113231120130 is an apocalyptic number.

113231120130 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 113231120130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151680574080).

113231120130 is an abundant number, since it is smaller than the sum of its proper divisors (190130028030).

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

113231120130 is a wasteful number, since it uses less digits than its factorization.

113231120130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2721 (or 2715 counting only the distinct ones).

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

Adding to 113231120130 its reverse (31021132311), we get a palindrome (144252252441).

The spelling of 113231120130 in words is "one hundred thirteen billion, two hundred thirty-one million, one hundred twenty thousand, one hundred thirty".