1331105768 has 16 divisors (see below), whose sum is σ = 2496250500. Its totient is φ = 665438976.

The previous prime is 1331105719. The next prime is 1331105773. The reversal of 1331105768 is 8675011331.

It can be written as a sum of positive squares in 2 ways, for example, as 1313482564 + 17623204 = 36242^2 + 4198^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55538 + ... + 75806.

Almost surely, 2^1331105768 is an apocalyptic number.

It is an amenable number.

1331105768 is a deficient number, since it is larger than the sum of its proper divisors (1165144732).

1331105768 is a wasteful number, since it uses less digits than its factorization.

1331105768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28484 (or 28480 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 1331105768 is about 36484.3222220175. The cubic root of 1331105768 is about 1100.0291364183.

The spelling of 1331105768 in words is "one billion, three hundred thirty-one million, one hundred five thousand, seven hundred sixty-eight".