311000012102006 has 4 divisors (see below), whose sum is σ = 466500018153012. Its totient is φ = 155500006051002.

The previous prime is 311000012101979. The next prime is 311000012102009. The reversal of 311000012102006 is 600201210000113.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311000012102009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77750003025500 + ... + 77750003025503.

It is an arithmetic number, because the mean of its divisors is an integer number (116625004538253).

Almost surely, 2^{311000012102006} is an apocalyptic number.

311000012102006 is a deficient number, since it is larger than the sum of its proper divisors (155500006051006).

311000012102006 is a wasteful number, since it uses less digits than its factorization.

311000012102006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155500006051005.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 311000012102006 its reverse (600201210000113), we get a palindrome (911201222102119).

The spelling of 311000012102006 in words is "three hundred eleven trillion, twelve million, one hundred two thousand, six".