331201212030 has 96 divisors (see below), whose sum is σ = 928197283104. Its totient is φ = 81453143808.

The previous prime is 331201212011. The next prime is 331201212047. The reversal of 331201212030 is 30212102133.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 331201211994 and 331201212012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1180177 + ... + 1433603.

It is an arithmetic number, because the mean of its divisors is an integer number (9668721699).

Almost surely, 2^331201212030 is an apocalyptic number.

331201212030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 331201212030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (464098641552).

331201212030 is an abundant number, since it is smaller than the sum of its proper divisors (596996071074).

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

331201212030 is a wasteful number, since it uses less digits than its factorization.

331201212030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254570 (or 254567 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 331201212030 its reverse (30212102133), we get a palindrome (361413314163).

The spelling of 331201212030 in words is "three hundred thirty-one billion, two hundred one million, two hundred twelve thousand, thirty".