2101443430 has 16 divisors (see below), whose sum is σ = 3806694000. Its totient is φ = 835222752.

The previous prime is 2101443419. The next prime is 2101443439. The reversal of 2101443430 is 343441012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101443439) 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, 667680 + ... + 670819.

It is an arithmetic number, because the mean of its divisors is an integer number (237918375).

Almost surely, 2^2101443430 is an apocalyptic number.

2101443430 is a deficient number, since it is larger than the sum of its proper divisors (1705250570).

2101443430 is a wasteful number, since it uses less digits than its factorization.

2101443430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338663.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2101443430 is about 45841.5033566745. The cubic root of 2101443430 is about 1280.8724988037.

Adding to 2101443430 its reverse (343441012), we get a palindrome (2444884442).

The spelling of 2101443430 in words is "two billion, one hundred one million, four hundred forty-three thousand, four hundred thirty".