321430034013420 has 96 divisors (see below), whose sum is σ = 917329237530048. Its totient is φ = 84080302129152.

The previous prime is 321430034013401. The next prime is 321430034013457. The reversal of 321430034013420 is 24310430034123.

It is a happy number.

It is a super-2 number, since 2×321430034013420² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 243716359 + ... + 245031678.

It is an arithmetic number, because the mean of its divisors is an integer number (9555512890938).

Almost surely, 2^{321430034013420} is an apocalyptic number.

321430034013420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

321430034013420 is an abundant number, since it is smaller than the sum of its proper divisors (595899203516628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321430034013420 is a wasteful number, since it uses less digits than its factorization.

321430034013420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488748259 (or 488748257 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 321430034013420 its reverse (24310430034123), we get a palindrome (345740464047543).

The spelling of 321430034013420 in words is "three hundred twenty-one trillion, four hundred thirty billion, thirty-four million, thirteen thousand, four hundred twenty".