113531213610 has 96 divisors (see below), whose sum is σ = 302433056640. Its totient is φ = 29537599104.

The previous prime is 113531213597. The next prime is 113531213633. The reversal of 113531213610 is 16312135311.

It is a happy number.

113531213610 is a `hidden beast` number, since 1 + 1 + 3 + 5 + 31 + 2 + 13 + 610 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 787347 + ... + 920313.

It is an arithmetic number, because the mean of its divisors is an integer number (3150344340).

Almost surely, 2^113531213610 is an apocalyptic number.

113531213610 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 113531213610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151216528320).

113531213610 is an abundant number, since it is smaller than the sum of its proper divisors (188901843030).

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

113531213610 is a wasteful number, since it uses less digits than its factorization.

113531213610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133212 (or 133209 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

Adding to 113531213610 its reverse (16312135311), we get a palindrome (129843348921).

The spelling of 113531213610 in words is "one hundred thirteen billion, five hundred thirty-one million, two hundred thirteen thousand, six hundred ten".