3331431012 has 144 divisors (see below), whose sum is σ = 10002068160. Its totient is φ = 854800128.

The previous prime is 3331431011. The next prime is 3331431023. The reversal of 3331431012 is 2101341333.

It is a super-2 number, since 2×3331431012² = 22196865175430688288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 3331431012.

It is not an unprimeable number, because it can be changed into a prime (3331431011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 276939 + ... + 288717.

Almost surely, 2^3331431012 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 3331431012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5001034080).

3331431012 is an abundant number, since it is smaller than the sum of its proper divisors (6670637148).

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

3331431012 is a wasteful number, since it uses less digits than its factorization.

3331431012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11850 (or 11841 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 3331431012 is about 57718.5499817866. The cubic root of 3331431012 is about 1493.5173590487.

Adding to 3331431012 its reverse (2101341333), we get a palindrome (5432772345).

The spelling of 3331431012 in words is "three billion, three hundred thirty-one million, four hundred thirty-one thousand, twelve".