2113312040 has 64 divisors (see below), whose sum is σ = 5508725760. Its totient is φ = 714631680.

The previous prime is 2113312039. The next prime is 2113312063. The reversal of 2113312040 is 402133112.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31256 + ... + 72135.

It is an arithmetic number, because the mean of its divisors is an integer number (86073840).

Almost surely, 2^2113312040 is an apocalyptic number.

2113312040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2113312040 is an abundant number, since it is smaller than the sum of its proper divisors (3395413720).

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

2113312040 is a wasteful number, since it uses less digits than its factorization.

2113312040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103482 (or 103478 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2113312040 is about 45970.7737589874. The cubic root of 2113312040 is about 1283.2793596610.

Adding to 2113312040 its reverse (402133112), we get a palindrome (2515445152).

The spelling of 2113312040 in words is "two billion, one hundred thirteen million, three hundred twelve thousand, forty".