1113213013 has 4 divisors (see below), whose sum is σ = 1214414208. Its totient is φ = 1012011820.

The previous prime is 1113212977. The next prime is 1113213029. The reversal of 1113213013 is 3103123111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1113213013 - 2⁹ = 1113212501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113211013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50600581 + ... + 50600602.

It is an arithmetic number, because the mean of its divisors is an integer number (303603552).

Almost surely, 2^1113213013 is an apocalyptic number.

It is an amenable number.

1113213013 is a deficient number, since it is larger than the sum of its proper divisors (101201195).

1113213013 is a wasteful number, since it uses less digits than its factorization.

1113213013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101201194.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1113213013 is about 33364.8469650319. The cubic root of 1113213013 is about 1036.3968670391.

Adding to 1113213013 its reverse (3103123111), we get a palindrome (4216336124).

The spelling of 1113213013 in words is "one billion, one hundred thirteen million, two hundred thirteen thousand, thirteen".