2113303530 has 64 divisors (see below), whose sum is σ = 5515211520. Its totient is φ = 515137536.

The previous prime is 2113303529. The next prime is 2113303531. The reversal of 2113303530 is 353033112.

It is an interprime number because it is at equal distance from previous prime (2113303529) and next prime (2113303531).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2113303497 and 2113303506.

It is not an unprimeable number, because it can be changed into a prime (2113303531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13866 + ... + 66474.

It is an arithmetic number, because the mean of its divisors is an integer number (86175180).

Almost surely, 2^2113303530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2113303530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2757605760).

2113303530 is an abundant number, since it is smaller than the sum of its proper divisors (3401907990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2113303530 is a wasteful number, since it uses less digits than its factorization.

2113303530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52735.

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 2113303530 is about 45970.6812000866. The cubic root of 2113303530 is about 1283.2776371323.

Adding to 2113303530 its reverse (353033112), we get a palindrome (2466336642).

The spelling of 2113303530 in words is "two billion, one hundred thirteen million, three hundred three thousand, five hundred thirty".