321420310431019 has 8 divisors (see below), whose sum is σ = 325950839209728. Its totient is φ = 316889878378920.

The previous prime is 321420310430993. The next prime is 321420310431091. The reversal of 321420310431019 is 910134013024123.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321420310431019 is a prime.

It is a super-2 number, since 2×321420310431019² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321420310441019) 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, 17475847 + ... + 30793600.

It is an arithmetic number, because the mean of its divisors is an integer number (40743854901216).

Almost surely, 2^{321420310431019} is an apocalyptic number.

321420310431019 is a deficient number, since it is larger than the sum of its proper divisors (4530528778709).

321420310431019 is an equidigital number, since it uses as much as digits as its factorization.

321420310431019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48363305.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 321420310431019 in words is "three hundred twenty-one trillion, four hundred twenty billion, three hundred ten million, four hundred thirty-one thousand, nineteen".