331230122320 has 80 divisors (see below), whose sum is σ = 775536380352. Its totient is φ = 131559966720.

The previous prime is 331230122309. The next prime is 331230122371. The reversal of 331230122320 is 23221032133.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 331230122291 and 331230122300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15154600 + ... + 15176440.

Almost surely, 2^331230122320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331230122320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387768190176).

331230122320 is an abundant number, since it is smaller than the sum of its proper divisors (444306258032).

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

331230122320 is a wasteful number, since it uses less digits than its factorization.

331230122320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23180 (or 23174 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 331230122320 its reverse (23221032133), we get a palindrome (354451154453).

The spelling of 331230122320 in words is "three hundred thirty-one billion, two hundred thirty million, one hundred twenty-two thousand, three hundred twenty".