311356 has 6 divisors (see below), whose sum is σ = 544880. Its totient is φ = 155676.

The previous prime is 311347. The next prime is 311359. The reversal of 311356 is 653113.

311356 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38916 + ... + 38923.

2³¹¹³⁵⁶ is an apocalyptic number.

It is an amenable number.

311356 is a deficient number, since it is larger than the sum of its proper divisors (233524).

311356 is a wasteful number, since it uses less digits than its factorization.

311356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77843 (or 77841 counting only the distinct ones).

The product of its digits is 270, while the sum is 19.

The square root of 311356 is about 557.9928314952. The cubic root of 311356 is about 67.7775313278. Note that the first 3 decimals are identical.

Adding to 311356 its reverse (653113), we get a palindrome (964469).

The spelling of 311356 in words is "three hundred eleven thousand, three hundred fifty-six".