2043102013 has 4 divisors (see below), whose sum is σ = 2045591388. Its totient is φ = 2040612640.

The previous prime is 2043101993. The next prime is 2043102031. The reversal of 2043102013 is 3102013402.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1352621284 + 690480729 = 36778^2 + 26277^2 .

It is a cyclic number.

It is not a de Polignac number, because 2043102013 - 2¹³ = 2043093821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043102913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1243456 + ... + 1245097.

It is an arithmetic number, because the mean of its divisors is an integer number (511397847).

Almost surely, 2^2043102013 is an apocalyptic number.

It is an amenable number.

2043102013 is a deficient number, since it is larger than the sum of its proper divisors (2489375).

2043102013 is an equidigital number, since it uses as much as digits as its factorization.

2043102013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2489374.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2043102013 is about 45200.6859793079. The cubic root of 2043102013 is about 1268.9076545644.

Adding to 2043102013 its reverse (3102013402), we get a palindrome (5145115415).

The spelling of 2043102013 in words is "two billion, forty-three million, one hundred two thousand, thirteen".