331020001232 has 120 divisors (see below), whose sum is σ = 683263893312. Its totient is φ = 155328192000.

The previous prime is 331020001199. The next prime is 331020001259. The reversal of 331020001232 is 232100020133.

It is a self number, because there is not a number n which added to its sum of digits gives 331020001232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 550781732 + ... + 550782332.

Almost surely, 2^331020001232 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 331020001232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341631946656).

331020001232 is an abundant number, since it is smaller than the sum of its proper divisors (352243892080).

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

331020001232 is a wasteful number, since it uses less digits than its factorization.

331020001232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385 (or 1360 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 331020001232 its reverse (232100020133), we get a palindrome (563120021365).

The spelling of 331020001232 in words is "three hundred thirty-one billion, twenty million, one thousand, two hundred thirty-two".