2101434312 has 64 divisors (see below), whose sum is σ = 5365440000. Its totient is φ = 685627904.

The previous prime is 2101434299. The next prime is 2101434367. The reversal of 2101434312 is 2134341012.

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, 607564 + ... + 611012.

It is an arithmetic number, because the mean of its divisors is an integer number (83835000).

Almost surely, 2^2101434312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2101434312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2682720000).

2101434312 is an abundant number, since it is smaller than the sum of its proper divisors (3264005688).

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

2101434312 is a wasteful number, since it uses less digits than its factorization.

2101434312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3990 (or 3986 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2101434312 is about 45841.4039052034. The cubic root of 2101434312 is about 1280.8706462655.

Adding to 2101434312 its reverse (2134341012), we get a palindrome (4235775324).

The spelling of 2101434312 in words is "two billion, one hundred one million, four hundred thirty-four thousand, three hundred twelve".