5312112331 has 4 divisors (see below), whose sum is σ = 5315556592. Its totient is φ = 5308668072.

The previous prime is 5312112277. The next prime is 5312112343. The reversal of 5312112331 is 1332112135.

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 5312112331 - 2⁷ = 5312112203 is a prime.

It is a super-2 number, since 2×5312112331² = 56437074834324507122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5312112031) 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, 1719816 + ... + 1722901.

It is an arithmetic number, because the mean of its divisors is an integer number (1328889148).

Almost surely, 2^5312112331 is an apocalyptic number.

5312112331 is a deficient number, since it is larger than the sum of its proper divisors (3444261).

5312112331 is a wasteful number, since it uses less digits than its factorization.

5312112331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3444260.

The product of its digits is 540, while the sum is 22.

The square root of 5312112331 is about 72884.2392496485. The cubic root of 5312112331 is about 1744.8405675856.

Adding to 5312112331 its reverse (1332112135), we get a palindrome (6644224466).

The spelling of 5312112331 in words is "five billion, three hundred twelve million, one hundred twelve thousand, three hundred thirty-one".