113231303131 has 8 divisors (see below), whose sum is σ = 115590134000. Its totient is φ = 110888684640.

The previous prime is 113231303123. The next prime is 113231303189. The reversal of 113231303131 is 131303132311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113231303131 - 2³ = 113231303123 is a prime.

It is a super-2 number, since 2×113231303131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113231303191) 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, 4038981 + ... + 4066918.

It is an arithmetic number, because the mean of its divisors is an integer number (14448766750).

Almost surely, 2^113231303131 is an apocalyptic number.

113231303131 is a deficient number, since it is larger than the sum of its proper divisors (2358830869).

113231303131 is an equidigital number, since it uses as much as digits as its factorization.

113231303131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8106189.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 113231303131 its reverse (131303132311), we get a palindrome (244534435442).

The spelling of 113231303131 in words is "one hundred thirteen billion, two hundred thirty-one million, three hundred three thousand, one hundred thirty-one".