124031312321 has 8 divisors (see below), whose sum is σ = 141757543104. Its totient is φ = 106306949520.

The previous prime is 124031312311. The next prime is 124031312359. The reversal of 124031312321 is 123213130421.

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 124031312321 - 2¹⁰ = 124031311297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124031312311) 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, 321695 + ... + 592916.

It is an arithmetic number, because the mean of its divisors is an integer number (17719692888).

Almost surely, 2^124031312321 is an apocalyptic number.

It is an amenable number.

124031312321 is a deficient number, since it is larger than the sum of its proper divisors (17726230783).

124031312321 is an equidigital number, since it uses as much as digits as its factorization.

124031312321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933991.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 124031312321 its reverse (123213130421), we get a palindrome (247244442742).

The spelling of 124031312321 in words is "one hundred twenty-four billion, thirty-one million, three hundred twelve thousand, three hundred twenty-one".