113311421 has 8 divisors (see below), whose sum is σ = 119589600. Its totient is φ = 107064720.

The previous prime is 113311399. The next prime is 113311441. The reversal of 113311421 is 124113311.

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 113311421 - 2⁶ = 113311357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113311421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113311441) 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, 275 + ... + 15056.

It is an arithmetic number, because the mean of its divisors is an integer number (14948700).

Almost surely, 2^113311421 is an apocalyptic number.

It is an amenable number.

113311421 is a deficient number, since it is larger than the sum of its proper divisors (6278179).

113311421 is a wasteful number, since it uses less digits than its factorization.

113311421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15739.

The product of its digits is 72, while the sum is 17.

The square root of 113311421 is about 10644.7837460420. The cubic root of 113311421 is about 483.9025328517.

Adding to 113311421 its reverse (124113311), we get a palindrome (237424732).

The spelling of 113311421 in words is "one hundred thirteen million, three hundred eleven thousand, four hundred twenty-one".