201321332030 has 64 divisors (see below), whose sum is σ = 448315475328. Its totient is φ = 63384698880.

The previous prime is 201321332021. The next prime is 201321332099. The reversal of 201321332030 is 30233123102.

It is a junction number, because it is equal to n+sod(n) for n = 201321331993 and 201321332011.

It is a congruent number.

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, 397511 + ... + 748770.

It is an arithmetic number, because the mean of its divisors is an integer number (7004929302).

Almost surely, 2^201321332030 is an apocalyptic number.

201321332030 is an abundant number, since it is smaller than the sum of its proper divisors (246994143298).

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

201321332030 is a wasteful number, since it uses less digits than its factorization.

201321332030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146501.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 201321332030 its reverse (30233123102), we get a palindrome (231554455132).

The spelling of 201321332030 in words is "two hundred one billion, three hundred twenty-one million, three hundred thirty-two thousand, thirty".