36311 has 4 divisors (see below), whose sum is σ = 39624. Its totient is φ = 33000.

The previous prime is 36307. The next prime is 36313. The reversal of 36311 is 11363.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11363 = 11 ⋅1033.

It is not a de Polignac number, because 36311 - 2² = 36307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 36311.

It is not an unprimeable number, because it can be changed into a prime (36313) 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, 1640 + ... + 1661.

It is an arithmetic number, because the mean of its divisors is an integer number (9906).

2³⁶³¹¹ is an apocalyptic number.

36311 is a deficient number, since it is larger than the sum of its proper divisors (3313).

36311 is a wasteful number, since it uses less digits than its factorization.

36311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3312.

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

The square root of 36311 is about 190.5544541594. The cubic root of 36311 is about 33.1140832663.

Adding to 36311 its reverse (11363), we get a palindrome (47674).

It can be divided in two parts, 363 and 11, that multiplied together give a palindrome (3993).

The spelling of 36311 in words is "thirty-six thousand, three hundred eleven".