5311311323 has 4 divisors (see below), whose sum is σ = 5353132800. Its totient is φ = 5269489848.

The previous prime is 5311311283. The next prime is 5311311329. The reversal of 5311311323 is 3231131135.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5311311323 - 2⁶ = 5311311259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5311311329) 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, 20910548 + ... + 20910801.

It is an arithmetic number, because the mean of its divisors is an integer number (1338283200).

Almost surely, 2^5311311323 is an apocalyptic number.

5311311323 is a deficient number, since it is larger than the sum of its proper divisors (41821477).

5311311323 is a wasteful number, since it uses less digits than its factorization.

5311311323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41821476.

The product of its digits is 810, while the sum is 23.

The square root of 5311311323 is about 72878.7439724368. The cubic root of 5311311323 is about 1744.7528622673.

Adding to 5311311323 its reverse (3231131135), we get a palindrome (8542442458).

It can be divided in two parts, 531131132 and 3, that added together give a palindrome (531131135).

The spelling of 5311311323 in words is "five billion, three hundred eleven million, three hundred eleven thousand, three hundred twenty-three".