1331133051 has 8 divisors (see below), whose sum is σ = 1788393024. Its totient is φ = 880647560.

The previous prime is 1331133049. The next prime is 1331133077. The reversal of 1331133051 is 1503311331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1331133051 - 2¹ = 1331133049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1331133091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1693161 + ... + 1693946.

It is an arithmetic number, because the mean of its divisors is an integer number (223549128).

Almost surely, 2^1331133051 is an apocalyptic number.

1331133051 is a deficient number, since it is larger than the sum of its proper divisors (457259973).

1331133051 is a wasteful number, since it uses less digits than its factorization.

1331133051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3387241.

The product of its (nonzero) digits is 405, while the sum is 21.

The square root of 1331133051 is about 36484.6961204284. The cubic root of 1331133051 is about 1100.0366519468.

Adding to 1331133051 its reverse (1503311331), we get a palindrome (2834444382).

The spelling of 1331133051 in words is "one billion, three hundred thirty-one million, one hundred thirty-three thousand, fifty-one".