2102143141 has 4 divisors (see below), whose sum is σ = 2402449312. Its totient is φ = 1801836972.

The previous prime is 2102143129. The next prime is 2102143237. The reversal of 2102143141 is 1413412012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2102143141 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 (2102143541) 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, 150153075 + ... + 150153088.

It is an arithmetic number, because the mean of its divisors is an integer number (600612328).

Almost surely, 2^2102143141 is an apocalyptic number.

It is an amenable number.

2102143141 is a deficient number, since it is larger than the sum of its proper divisors (300306171).

2102143141 is an equidigital number, since it uses as much as digits as its factorization.

2102143141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300306170.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2102143141 is about 45849.1345719851. The cubic root of 2102143141 is about 1281.0146457220.

Adding to 2102143141 its reverse (1413412012), we get a palindrome (3515555153).

The spelling of 2102143141 in words is "two billion, one hundred two million, one hundred forty-three thousand, one hundred forty-one".