2012332331 has 4 divisors (see below), whose sum is σ = 2012556312. Its totient is φ = 2012108352.

The previous prime is 2012332303. The next prime is 2012332349. The reversal of 2012332331 is 1332332102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2012332331 is a prime.

It is a super-2 number, since 2×2012332331² = 8098962820775787122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2015332331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97925 + ... + 116678.

It is an arithmetic number, because the mean of its divisors is an integer number (503139078).

Almost surely, 2^2012332331 is an apocalyptic number.

2012332331 is a deficient number, since it is larger than the sum of its proper divisors (223981).

2012332331 is an equidigital number, since it uses as much as digits as its factorization.

2012332331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223980.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 2012332331 is about 44859.0273077783. The cubic root of 2012332331 is about 1262.5053726007.

Adding to 2012332331 its reverse (1332332102), we get a palindrome (3344664433).

The spelling of 2012332331 in words is "two billion, twelve million, three hundred thirty-two thousand, three hundred thirty-one".