311034423 has 16 divisors (see below), whose sum is σ = 475027200. Its totient is φ = 177332736.

The previous prime is 311034419. The next prime is 311034509. The reversal of 311034423 is 324430113.

It is not a de Polignac number, because 311034423 - 2² = 311034419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 311034423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311034223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7065 + ... + 25922.

It is an arithmetic number, because the mean of its divisors is an integer number (29689200).

Almost surely, 2^311034423 is an apocalyptic number.

311034423 is a deficient number, since it is larger than the sum of its proper divisors (163992777).

311034423 is a wasteful number, since it uses less digits than its factorization.

311034423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33446.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 311034423 is about 17636.1680361693. The cubic root of 311034423 is about 677.5418912656.

Adding to 311034423 its reverse (324430113), we get a palindrome (635464536).

The spelling of 311034423 in words is "three hundred eleven million, thirty-four thousand, four hundred twenty-three".