5331312243 has 16 divisors (see below), whose sum is σ = 7917952800. Its totient is φ = 3545337600.

The previous prime is 5331312227. The next prime is 5331312253. The reversal of 5331312243 is 3422131335.

5331312243 is a `hidden beast` number, since 533 + 1 + 3 + 122 + 4 + 3 = 666.

It is not a de Polignac number, because 5331312243 - 2⁴ = 5331312227 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (5331312223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235378 + ... + 257031.

It is an arithmetic number, because the mean of its divisors is an integer number (494872050).

Almost surely, 2^5331312243 is an apocalyptic number.

5331312243 is a deficient number, since it is larger than the sum of its proper divisors (2586640557).

5331312243 is a wasteful number, since it uses less digits than its factorization.

5331312243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492819 (or 492813 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 5331312243 is about 73015.8355632530. The cubic root of 5331312243 is about 1746.9402034595.

Adding to 5331312243 its reverse (3422131335), we get a palindrome (8753443578).

It can be divided in two parts, 53313 and 12243, that added together give a palindrome (65556).

The spelling of 5331312243 in words is "five billion, three hundred thirty-one million, three hundred twelve thousand, two hundred forty-three".