1331200983 has 24 divisors (see below), whose sum is σ = 2076295680. Its totient is φ = 756421680.

The previous prime is 1331200967. The next prime is 1331200991. The reversal of 1331200983 is 3890021331.

It is not a de Polignac number, because 1331200983 - 2⁴ = 1331200967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1331200983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331200583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1018 + ... + 51608.

It is an arithmetic number, because the mean of its divisors is an integer number (86512320).

Almost surely, 2^1331200983 is an apocalyptic number.

1331200983 is a deficient number, since it is larger than the sum of its proper divisors (745094697).

1331200983 is a wasteful number, since it uses less digits than its factorization.

1331200983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50787 (or 50780 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 1331200983 is about 36485.6270742329. The cubic root of 1331200983 is about 1100.0553644310.

The spelling of 1331200983 in words is "one billion, three hundred thirty-one million, two hundred thousand, nine hundred eighty-three".