311412214066 has 4 divisors (see below), whose sum is σ = 467118321102. Its totient is φ = 155706107032.

The previous prime is 311412214039. The next prime is 311412214067. The reversal of 311412214066 is 660412214113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 660412214113 = 2447 ⋅269886479.

It can be written as a sum of positive squares in only one way, i.e., 164818948441 + 146593265625 = 405979^2 + 382875^2 .

It is not an unprimeable number, because it can be changed into a prime (311412214067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77853053515 + ... + 77853053518.

Almost surely, 2^311412214066 is an apocalyptic number.

311412214066 is a deficient number, since it is larger than the sum of its proper divisors (155706107036).

311412214066 is a wasteful number, since it uses less digits than its factorization.

311412214066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155706107035.

The product of its (nonzero) digits is 6912, while the sum is 31.

Adding to 311412214066 its reverse (660412214113), we get a palindrome (971824428179).

The spelling of 311412214066 in words is "three hundred eleven billion, four hundred twelve million, two hundred fourteen thousand, sixty-six".