312141221423331 has 24 divisors (see below), whose sum is σ = 420620479637760. Its totient is φ = 205901170336512.

The previous prime is 312141221423329. The next prime is 312141221423341. The reversal of 312141221423331 is 133324122141213.

It is not a de Polignac number, because 312141221423331 - 2¹ = 312141221423329 is a prime.

It is a super-2 number, since 2×312141221423331² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312141221423292 and 312141221423301.

It is not an unprimeable number, because it can be changed into a prime (312141221423341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120860410 + ... + 123416048.

It is an arithmetic number, because the mean of its divisors is an integer number (17525853318240).

Almost surely, 2^{312141221423331} is an apocalyptic number.

312141221423331 is a deficient number, since it is larger than the sum of its proper divisors (108479258214429).

312141221423331 is an equidigital number, since it uses as much as digits as its factorization.

312141221423331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2560163 (or 2560066 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

Adding to 312141221423331 its reverse (133324122141213), we get a palindrome (445465343564544).

The spelling of 312141221423331 in words is "three hundred twelve trillion, one hundred forty-one billion, two hundred twenty-one million, four hundred twenty-three thousand, three hundred thirty-one".