2113321434 has 32 divisors (see below), whose sum is σ = 4843230720. Its totient is φ = 602208432.

The previous prime is 2113321421. The next prime is 2113321439. The reversal of 2113321434 is 4341233112.

It is a happy number.

It is a super-2 number, since 2×2113321434² = 8932254966807632712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2113321439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50464 + ... + 82299.

It is an arithmetic number, because the mean of its divisors is an integer number (151350960).

Almost surely, 2^2113321434 is an apocalyptic number.

2113321434 is an abundant number, since it is smaller than the sum of its proper divisors (2729909286).

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

2113321434 is a wasteful number, since it uses less digits than its factorization.

2113321434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133154.

The product of its digits is 1728, while the sum is 24.

The square root of 2113321434 is about 45970.8759324858. The cubic root of 2113321434 is about 1283.2812611169.

Adding to 2113321434 its reverse (4341233112), we get a palindrome (6454554546).

The spelling of 2113321434 in words is "two billion, one hundred thirteen million, three hundred twenty-one thousand, four hundred thirty-four".