1113421013 has 8 divisors (see below), whose sum is σ = 1128804768. Its totient is φ = 1098084304.

The previous prime is 1113421009. The next prime is 1113421021. The reversal of 1113421013 is 3101243111.

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 1113421013 - 2² = 1113421009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1113420982 and 1113421000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113421003) 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, 37295 + ... + 60147.

It is an arithmetic number, because the mean of its divisors is an integer number (141100596).

Almost surely, 2^1113421013 is an apocalyptic number.

It is an amenable number.

1113421013 is a deficient number, since it is larger than the sum of its proper divisors (15383755).

1113421013 is an equidigital number, since it uses as much as digits as its factorization.

1113421013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23523.

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

The square root of 1113421013 is about 33367.9638725530. The cubic root of 1113421013 is about 1036.4614120756.

Adding to 1113421013 its reverse (3101243111), we get a palindrome (4214664124).

The spelling of 1113421013 in words is "one billion, one hundred thirteen million, four hundred twenty-one thousand, thirteen".