2131303312 has 10 divisors (see below), whose sum is σ = 4129400198. Its totient is φ = 1065651648.

The previous prime is 2131303309. The next prime is 2131303319. The reversal of 2131303312 is 2133031312.

It can be written as a sum of positive squares in only one way, i.e., 2063339776 + 67963536 = 45424^2 + 8244^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2131303312.

It is not an unprimeable number, because it can be changed into a prime (2131303319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66603213 + ... + 66603244.

Almost surely, 2^2131303312 is an apocalyptic number.

It is an amenable number.

2131303312 is a deficient number, since it is larger than the sum of its proper divisors (1998096886).

2131303312 is a wasteful number, since it uses less digits than its factorization.

2131303312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133206465 (or 133206459 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 2131303312 is about 46166.0406792699. The cubic root of 2131303312 is about 1286.9107240451.

Adding to 2131303312 its reverse (2133031312), we get a palindrome (4264334624).

Subtracting 2131303312 from its reverse (2133031312), we obtain a cube (1728000 = 120³).

The spelling of 2131303312 in words is "two billion, one hundred thirty-one million, three hundred three thousand, three hundred twelve".