311426 has 8 divisors (see below), whose sum is σ = 482304. Its totient is φ = 150660.

The previous prime is 311419. The next prime is 311447. The reversal of 311426 is 624113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2450 + ... + 2573.

It is an arithmetic number, because the mean of its divisors is an integer number (60288).

2³¹¹⁴²⁶ is an apocalyptic number.

311426 is a deficient number, since it is larger than the sum of its proper divisors (170878).

311426 is a wasteful number, since it uses less digits than its factorization.

311426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5056.

The product of its digits is 144, while the sum is 17.

The square root of 311426 is about 558.0555527902. The cubic root of 311426 is about 67.7826102639.

Adding to 311426 its reverse (624113), we get a palindrome (935539).

It can be divided in two parts, 311 and 426, that added together give a palindrome (737).

The spelling of 311426 in words is "three hundred eleven thousand, four hundred twenty-six".