5312512143 has 32 divisors (see below), whose sum is σ = 8017701120. Its totient is φ = 3475651680.

The previous prime is 5312512123. The next prime is 5312512151. The reversal of 5312512143 is 3412152135.

5312512143 is a `hidden beast` number, since 5 + 3 + 1 + 2 + 512 + 143 = 666.

It is not a de Polignac number, because 5312512143 - 2⁸ = 5312511887 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5312512123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 765696 + ... + 772602.

It is an arithmetic number, because the mean of its divisors is an integer number (250553160).

Almost surely, 2^5312512143 is an apocalyptic number.

5312512143 is a deficient number, since it is larger than the sum of its proper divisors (2705188977).

5312512143 is a wasteful number, since it uses less digits than its factorization.

5312512143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7444 (or 7438 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 5312512143 is about 72886.9819858114. The cubic root of 5312512143 is about 1744.8843411765.

Adding to 5312512143 its reverse (3412152135), we get a palindrome (8724664278).

The spelling of 5312512143 in words is "five billion, three hundred twelve million, five hundred twelve thousand, one hundred forty-three".