311423606 has 16 divisors (see below), whose sum is σ = 505237824. Its totient is φ = 143114304.

The previous prime is 311423597. The next prime is 311423617. The reversal of 311423606 is 606324113.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19646 + ... + 31761.

It is an arithmetic number, because the mean of its divisors is an integer number (31577364).

Almost surely, 2^311423606 is an apocalyptic number.

311423606 is a deficient number, since it is larger than the sum of its proper divisors (193814218).

311423606 is a wasteful number, since it uses less digits than its factorization.

311423606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51655.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 311423606 is about 17647.1982478806. The cubic root of 311423606 is about 677.8243657685.

Adding to 311423606 its reverse (606324113), we get a palindrome (917747719).

The spelling of 311423606 in words is "three hundred eleven million, four hundred twenty-three thousand, six hundred six".