5320111231 has 4 divisors (see below), whose sum is σ = 5443834792. Its totient is φ = 5196387672.

The previous prime is 5320111229. The next prime is 5320111241. The reversal of 5320111231 is 1321110235.

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 5320111231 - 2¹ = 5320111229 is a prime.

It is a super-2 number, since 2×5320111231² = 56607167020424670722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5320111199 and 5320111208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5320111201) 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, 61861716 + ... + 61861801.

It is an arithmetic number, because the mean of its divisors is an integer number (1360958698).

Almost surely, 2^5320111231 is an apocalyptic number.

5320111231 is a deficient number, since it is larger than the sum of its proper divisors (123723561).

5320111231 is a wasteful number, since it uses less digits than its factorization.

5320111231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123723560.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 5320111231 is about 72939.0926115756. The cubic root of 5320111231 is about 1745.7159133919.

Adding to 5320111231 its reverse (1321110235), we get a palindrome (6641221466).

The spelling of 5320111231 in words is "five billion, three hundred twenty million, one hundred eleven thousand, two hundred thirty-one".