312321001343 has 8 divisors (see below), whose sum is σ = 344167687248. Its totient is φ = 281591743104.

The previous prime is 312321001331. The next prime is 312321001351. The reversal of 312321001343 is 343100123213.

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

It is a cyclic number.

It is not a de Polignac number, because 312321001343 - 2²⁰ = 312319952767 is a prime.

It is a super-3 number, since 3×312321001343³ (a number of 35 digits) contains 333 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 (312321001393) 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, 279356330 + ... + 279357447.

It is an arithmetic number, because the mean of its divisors is an integer number (43020960906).

Almost surely, 2^312321001343 is an apocalyptic number.

312321001343 is a deficient number, since it is larger than the sum of its proper divisors (31846685905).

312321001343 is a wasteful number, since it uses less digits than its factorization.

312321001343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558713833.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 312321001343 its reverse (343100123213), we get a palindrome (655421124556).

The spelling of 312321001343 in words is "three hundred twelve billion, three hundred twenty-one million, one thousand, three hundred forty-three".