320402121342234 has 64 divisors (see below), whose sum is σ = 667524326832000. Its totient is φ = 102452620419072.

The previous prime is 320402121342223. The next prime is 320402121342293. The reversal of 320402121342234 is 432243121204023.

It is a happy number.

It is a super-2 number, since 2×320402121342234² (a number of 30 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 320402121342195 and 320402121342204.

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, 43402759 + ... + 50245434.

It is an arithmetic number, because the mean of its divisors is an integer number (10430067606750).

Almost surely, 2^{320402121342234} is an apocalyptic number.

320402121342234 is an abundant number, since it is smaller than the sum of its proper divisors (347122205489766).

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

320402121342234 is a wasteful number, since it uses less digits than its factorization.

320402121342234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93648479.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 320402121342234 its reverse (432243121204023), we get a palindrome (752645242546257).

The spelling of 320402121342234 in words is "three hundred twenty trillion, four hundred two billion, one hundred twenty-one million, three hundred forty-two thousand, two hundred thirty-four".