313023666 has 16 divisors (see below), whose sum is σ = 639368064. Its totient is φ = 102121104.

The previous prime is 313023661. The next prime is 313023701. The reversal of 313023666 is 666320313.

It is not an unprimeable number, because it can be changed into a prime (313023661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 554725 + ... + 555288.

It is an arithmetic number, because the mean of its divisors is an integer number (39960504).

Almost surely, 2^313023666 is an apocalyptic number.

313023666 is an abundant number, since it is smaller than the sum of its proper divisors (326344398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313023666 is a wasteful number, since it uses less digits than its factorization.

313023666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110065.

The product of its (nonzero) digits is 11664, while the sum is 30.

The square root of 313023666 is about 17692.4748410164. The cubic root of 313023666 is about 678.9832454729.

Adding to 313023666 its reverse (666320313), we get a palindrome (979343979).

It can be divided in two parts, 3130 and 23666, that added together give a triangular number (26796 = T₂₃₁).

The spelling of 313023666 in words is "three hundred thirteen million, twenty-three thousand, six hundred sixty-six".