2113023413 has 4 divisors (see below), whose sum is σ = 2119689420. Its totient is φ = 2106357408.

The previous prime is 2113023401. The next prime is 2113023427. The reversal of 2113023413 is 3143203112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 754216369 + 1358807044 = 27463^2 + 36862^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113023413 - 2¹⁶ = 2112957877 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 (2113023443) 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, 3332528 + ... + 3333161.

It is an arithmetic number, because the mean of its divisors is an integer number (529922355).

Almost surely, 2^2113023413 is an apocalyptic number.

It is an amenable number.

2113023413 is a deficient number, since it is larger than the sum of its proper divisors (6666007).

2113023413 is an equidigital number, since it uses as much as digits as its factorization.

2113023413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6666006.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2113023413 is about 45967.6344072653. The cubic root of 2113023413 is about 1283.2209354233.

Adding to 2113023413 its reverse (3143203112), we get a palindrome (5256226525).

The spelling of 2113023413 in words is "two billion, one hundred thirteen million, twenty-three thousand, four hundred thirteen".