3216243111002 has 4 divisors (see below), whose sum is σ = 4824364666506. Its totient is φ = 1608121555500.

The previous prime is 3216243111001. The next prime is 3216243111043. The reversal of 3216243111002 is 2001113426123.

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 only one way, i.e., 2144792469121 + 1071450641881 = 1464511^2 + 1035109^2 .

It is not an unprimeable number, because it can be changed into a prime (3216243111001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 804060777749 + ... + 804060777752.

Almost surely, 2^{3216243111002} is an apocalyptic number.

3216243111002 is a deficient number, since it is larger than the sum of its proper divisors (1608121555504).

3216243111002 is a wasteful number, since it uses less digits than its factorization.

3216243111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608121555503.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 3216243111002 its reverse (2001113426123), we get a palindrome (5217356537125).

The spelling of 3216243111002 in words is "three trillion, two hundred sixteen billion, two hundred forty-three million, one hundred eleven thousand, two".