312124344031 has 4 divisors (see below), whose sum is σ = 312171265512. Its totient is φ = 312077422552.

The previous prime is 312124344017. The next prime is 312124344043. The reversal of 312124344031 is 130443421213.

It is a happy number.

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 312124344031 - 2¹⁹ = 312123819743 is a prime.

It is a super-2 number, since 2×312124344031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312124444031) 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, 23450761 + ... + 23464066.

It is an arithmetic number, because the mean of its divisors is an integer number (78042816378).

Almost surely, 2^312124344031 is an apocalyptic number.

312124344031 is a deficient number, since it is larger than the sum of its proper divisors (46921481).

312124344031 is an equidigital number, since it uses as much as digits as its factorization.

312124344031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46921480.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 312124344031 its reverse (130443421213), we get a palindrome (442567765244).

The spelling of 312124344031 in words is "three hundred twelve billion, one hundred twenty-four million, three hundred forty-four thousand, thirty-one".