312044431103321 has 8 divisors (see below), whose sum is σ = 357200200832640. Its totient is φ = 267033159838368.

The previous prime is 312044431103309. The next prime is 312044431103329. The reversal of 312044431103321 is 123301134440213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 312044431103321 - 2³⁰ = 312043357361497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312044431103329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36124611461 + ... + 36124620098.

It is an arithmetic number, because the mean of its divisors is an integer number (44650025104080).

Almost surely, 2^{312044431103321} is an apocalyptic number.

It is an amenable number.

312044431103321 is a deficient number, since it is larger than the sum of its proper divisors (45155769729319).

312044431103321 is an equidigital number, since it uses as much as digits as its factorization.

312044431103321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72249232183.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 312044431103321 its reverse (123301134440213), we get a palindrome (435345565543534).

The spelling of 312044431103321 in words is "three hundred twelve trillion, forty-four billion, four hundred thirty-one million, one hundred three thousand, three hundred twenty-one".