2131333312 has 28 divisors (see below), whose sum is σ = 4230837360. Its totient is φ = 1065295616.

The previous prime is 2131333307. The next prime is 2131333319. The reversal of 2131333312 is 2133331312.

It is not an unprimeable number, because it can be changed into a prime (2131333319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331989 + ... + 338347.

Almost surely, 2^2131333312 is an apocalyptic number.

It is an amenable number.

2131333312 is a deficient number, since it is larger than the sum of its proper divisors (2099504048).

2131333312 is an equidigital number, since it uses as much as digits as its factorization.

2131333312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11608 (or 11598 counting only the distinct ones).

The product of its digits is 972, while the sum is 22.

The square root of 2131333312 is about 46166.3655922794. The cubic root of 2131333312 is about 1286.9167621566.

Adding to 2131333312 its reverse (2133331312), we get a palindrome (4264664624).

The spelling of 2131333312 in words is "two billion, one hundred thirty-one million, three hundred thirty-three thousand, three hundred twelve".