2113145232 has 40 divisors (see below), whose sum is σ = 5955228960. Its totient is φ = 640346880.

The previous prime is 2113145231. The next prime is 2113145257. The reversal of 2113145232 is 2325413112.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (2113145231) 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, 2000557 + ... + 2001612.

It is an arithmetic number, because the mean of its divisors is an integer number (148880724).

Almost surely, 2^2113145232 is an apocalyptic number.

2113145232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2113145232 is an abundant number, since it is smaller than the sum of its proper divisors (3842083728).

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

2113145232 is a wasteful number, since it uses less digits than its factorization.

2113145232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4002191 (or 4002185 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 2113145232 is about 45968.9594400395. The cubic root of 2113145232 is about 1283.2455948262.

Adding to 2113145232 its reverse (2325413112), we get a palindrome (4438558344).

The spelling of 2113145232 in words is "two billion, one hundred thirteen million, one hundred forty-five thousand, two hundred thirty-two".