113243403031 has 8 divisors (see below), whose sum is σ = 127523363328. Its totient is φ = 99627627000.

The previous prime is 113243403023. The next prime is 113243403047. The reversal of 113243403031 is 130304342311.

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

It is not a de Polignac number, because 113243403031 - 2³ = 113243403023 is a prime.

It is a super-2 number, since 2×113243403031² (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 = 113243402987 and 113243403005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113243403131) 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, 166045705 + ... + 166046386.

It is an arithmetic number, because the mean of its divisors is an integer number (15940420416).

Almost surely, 2^113243403031 is an apocalyptic number.

113243403031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

113243403031 is a deficient number, since it is larger than the sum of its proper divisors (14279960297).

113243403031 is a wasteful number, since it uses less digits than its factorization.

113243403031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332092133.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 113243403031 its reverse (130304342311), we get a palindrome (243547745342).

The spelling of 113243403031 in words is "one hundred thirteen billion, two hundred forty-three million, four hundred three thousand, thirty-one".