2321331012 has 288 divisors, whose sum is σ = 8096035584. Its totient is φ = 541209600.

The previous prime is 2321331007. The next prime is 2321331017. The reversal of 2321331012 is 2101331232.

2321331012 is a `hidden beast` number, since 2 + 321 + 331 + 0 + 12 = 666.

It is an interprime number because it is at equal distance from previous prime (2321331007) and next prime (2321331017).

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

It is not an unprimeable number, because it can be changed into a prime (2321331017) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1332462 + ... + 1334202.

Almost surely, 2^2321331012 is an apocalyptic number.

2321331012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2321331012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4048017792).

2321331012 is an abundant number, since it is smaller than the sum of its proper divisors (5774704572).

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

2321331012 is a wasteful number, since it uses less digits than its factorization.

2321331012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819 (or 1814 counting only the distinct ones).

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

The square root of 2321331012 is about 48180.1931502978. The cubic root of 2321331012 is about 1324.0743052708.

Adding to 2321331012 its reverse (2101331232), we get a palindrome (4422662244).

It can be divided in two parts, 2321 and 331012, that added together give a palindrome (333333).

The spelling of 2321331012 in words is "two billion, three hundred twenty-one million, three hundred thirty-one thousand, twelve".