5315312043 has 16 divisors (see below), whose sum is σ = 8003629600. Its totient is φ = 3485449440.

The previous prime is 5315312039. The next prime is 5315312059. The reversal of 5315312043 is 3402135135.

5315312043 is a `hidden beast` number, since 531 + 5 + 3 + 120 + 4 + 3 = 666.

It is not a de Polignac number, because 5315312043 - 2² = 5315312039 is a prime.

It is a super-2 number, since 2×5315312043² = 56505084228921667698, which contains 22 as substring.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5315311998 and 5315312016.

It is not an unprimeable number, because it can be changed into a prime (5315312003) 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, 1611988 + ... + 1615281.

It is an arithmetic number, because the mean of its divisors is an integer number (500226850).

Almost surely, 2^5315312043 is an apocalyptic number.

5315312043 is a deficient number, since it is larger than the sum of its proper divisors (2688317557).

5315312043 is a wasteful number, since it uses less digits than its factorization.

5315312043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3227339 (or 3227333 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 5315312043 is about 72906.1865893423. The cubic root of 5315312043 is about 1745.1908279197.

Adding to 5315312043 its reverse (3402135135), we get a palindrome (8717447178).

The spelling of 5315312043 in words is "five billion, three hundred fifteen million, three hundred twelve thousand, forty-three".