311063 has 4 divisors (see below), whose sum is σ = 312840. Its totient is φ = 309288.

The previous prime is 311041. The next prime is 311099. The reversal of 311063 is 360113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 360113 = 13 ⋅27701.

It is a cyclic number.

It is not a de Polignac number, because 311063 - 2¹⁶ = 245527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 593 + ... + 986.

It is an arithmetic number, because the mean of its divisors is an integer number (78210).

2³¹¹⁰⁶³ is an apocalyptic number.

311063 is a deficient number, since it is larger than the sum of its proper divisors (1777).

311063 is a wasteful number, since it uses less digits than its factorization.

311063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 311063 is about 557.7302215229. The cubic root of 311063 is about 67.7562640868.

Adding to 311063 its reverse (360113), we get a palindrome (671176).

The spelling of 311063 in words is "three hundred eleven thousand, sixty-three".