2142043103 has 4 divisors (see below), whose sum is σ = 2143520808. Its totient is φ = 2140565400.

The previous prime is 2142043097. The next prime is 2142043171. The reversal of 2142043103 is 3013402412.

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

It is a cyclic number.

It is not a de Polignac number, because 2142043103 - 2²² = 2137848799 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 (2142043193) 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, 736676 + ... + 739577.

It is an arithmetic number, because the mean of its divisors is an integer number (535880202).

Almost surely, 2^2142043103 is an apocalyptic number.

2142043103 is a deficient number, since it is larger than the sum of its proper divisors (1477705).

2142043103 is a wasteful number, since it uses less digits than its factorization.

2142043103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477704.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2142043103 is about 46282.2115180336. The cubic root of 2142043103 is about 1289.0687152997.

Adding to 2142043103 its reverse (3013402412), we get a palindrome (5155445515).

The spelling of 2142043103 in words is "two billion, one hundred forty-two million, forty-three thousand, one hundred three".