113123101231 has 12 divisors (see below), whose sum is σ = 132171893208. Its totient is φ = 96535500432.

The previous prime is 113123101229. The next prime is 113123101249. The reversal of 113123101231 is 132101321311.

It is not a de Polignac number, because 113123101231 - 2¹ = 113123101229 is a prime.

It is a super-3 number, since 3×113123101231³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113123101199 and 113123101208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113123101631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5073976 + ... + 5096221.

It is an arithmetic number, because the mean of its divisors is an integer number (11014324434).

Almost surely, 2^113123101231 is an apocalyptic number.

113123101231 is a deficient number, since it is larger than the sum of its proper divisors (19048791977).

113123101231 is a wasteful number, since it uses less digits than its factorization.

113123101231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10170438 (or 10170431 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 113123101231 its reverse (132101321311), we get a palindrome (245224422542).

The spelling of 113123101231 in words is "one hundred thirteen billion, one hundred twenty-three million, one hundred one thousand, two hundred thirty-one".