3331020312 has 96 divisors (see below), whose sum is σ = 9282714480. Its totient is φ = 1078306560.

The previous prime is 3331020311. The next prime is 3331020337. The reversal of 3331020312 is 2130201333.

3331020312 is a `hidden beast` number, since 3 + 331 + 0 + 20 + 312 = 666.

It is a super-2 number, since 2×3331020312² = 22191392637913154688, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3331020311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2186383 + ... + 2187905.

Almost surely, 2^3331020312 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 3331020312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4641357240).

3331020312 is an abundant number, since it is smaller than the sum of its proper divisors (5951694168).

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

3331020312 is a wasteful number, since it uses less digits than its factorization.

3331020312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393 (or 2386 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 3331020312 is about 57714.9920904439. The cubic root of 3331020312 is about 1493.4559827428.

Adding to 3331020312 its reverse (2130201333), we get a palindrome (5461221645).

The spelling of 3331020312 in words is "three billion, three hundred thirty-one million, twenty thousand, three hundred twelve".