313411105666 has 4 divisors (see below), whose sum is σ = 470116658502. Its totient is φ = 156705552832.

The previous prime is 313411105663. The next prime is 313411105673. The reversal of 313411105666 is 666501114313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 666501114313 = 2129 ⋅313058297.

It can be written as a sum of positive squares in only one way, i.e., 302725542025 + 10685563641 = 550205^2 + 103371^2 .

It is not an unprimeable number, because it can be changed into a prime (313411105663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78352776415 + ... + 78352776418.

Almost surely, 2^313411105666 is an apocalyptic number.

313411105666 is a deficient number, since it is larger than the sum of its proper divisors (156705552836).

313411105666 is a wasteful number, since it uses less digits than its factorization.

313411105666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156705552835.

The product of its (nonzero) digits is 38880, while the sum is 37.

Adding to 313411105666 its reverse (666501114313), we get a palindrome (979912219979).

The spelling of 313411105666 in words is "three hundred thirteen billion, four hundred eleven million, one hundred five thousand, six hundred sixty-six".