113113320231 has 8 divisors (see below), whose sum is σ = 154893916144. Its totient is φ = 73370802240.

The previous prime is 113113320227. The next prime is 113113320239. The reversal of 113113320231 is 132023311311.

It is a happy number.

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

It is not a de Polignac number, because 113113320231 - 2² = 113113320227 is a prime.

It is a super-2 number, since 2×113113320231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113113320198 and 113113320207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113113320239) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 509519350 + ... + 509519571.

It is an arithmetic number, because the mean of its divisors is an integer number (19361739518).

Almost surely, 2^113113320231 is an apocalyptic number.

113113320231 is a deficient number, since it is larger than the sum of its proper divisors (41780595913).

113113320231 is a wasteful number, since it uses less digits than its factorization.

113113320231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019038961.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 113113320231 its reverse (132023311311), we get a palindrome (245136631542).

The spelling of 113113320231 in words is "one hundred thirteen billion, one hundred thirteen million, three hundred twenty thousand, two hundred thirty-one".