2143316002 has 4 divisors (see below), whose sum is σ = 3214974006. Its totient is φ = 1071658000.

The previous prime is 2143315981. The next prime is 2143316009. The reversal of 2143316002 is 2006133412.

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

It can be written as a sum of positive squares in only one way, i.e., 2112413521 + 30902481 = 45961^2 + 5559^2 .

It is not an unprimeable number, because it can be changed into a prime (2143316009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535828999 + ... + 535829002.

Almost surely, 2^2143316002 is an apocalyptic number.

2143316002 is a deficient number, since it is larger than the sum of its proper divisors (1071658004).

2143316002 is a wasteful number, since it uses less digits than its factorization.

2143316002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071658003.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2143316002 is about 46295.9609685337. The cubic root of 2143316002 is about 1289.3240057372.

Adding to 2143316002 its reverse (2006133412), we get a palindrome (4149449414).

The spelling of 2143316002 in words is "two billion, one hundred forty-three million, three hundred sixteen thousand, two".