231321002200032 has 24 divisors (see below), whose sum is σ = 607217630775336. Its totient is φ = 77107000733312.

The previous prime is 231321002199977. The next prime is 231321002200073. The reversal of 231321002200032 is 230002200123132.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 231321002199981 and 231321002200008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1204796886363 + ... + 1204796886554.

It is an arithmetic number, because the mean of its divisors is an integer number (25300734615639).

Almost surely, 2^{231321002200032} is an apocalyptic number.

It is an amenable number.

231321002200032 is an abundant number, since it is smaller than the sum of its proper divisors (375896628575304).

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

231321002200032 is a wasteful number, since it uses less digits than its factorization.

231321002200032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2409593772930 (or 2409593772922 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 231321002200032 its reverse (230002200123132), we get a palindrome (461323202323164).

The spelling of 231321002200032 in words is "two hundred thirty-one trillion, three hundred twenty-one billion, two million, two hundred thousand, thirty-two".