321243013315 has 8 divisors (see below), whose sum is σ = 440561846880. Its totient is φ = 220280923392.

The previous prime is 321243013277. The next prime is 321243013387. The reversal of 321243013315 is 513310342123.

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 321243013315 - 2¹⁵ = 321242980547 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4589185870 + ... + 4589185939.

It is an arithmetic number, because the mean of its divisors is an integer number (55070230860).

Almost surely, 2^321243013315 is an apocalyptic number.

321243013315 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

321243013315 is a deficient number, since it is larger than the sum of its proper divisors (119318833565).

321243013315 is an equidigital number, since it uses as much as digits as its factorization.

321243013315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9178371821.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 321243013315 its reverse (513310342123), we get a palindrome (834553355438).

The spelling of 321243013315 in words is "three hundred twenty-one billion, two hundred forty-three million, thirteen thousand, three hundred fifteen".