1310799887 has 4 divisors (see below), whose sum is σ = 1322400000. Its totient is φ = 1299199776.

The previous prime is 1310799863. The next prime is 1310799937. The reversal of 1310799887 is 7889970131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7889970131 = 4261 ⋅1851671.

It is a cyclic number.

It is not a de Polignac number, because 1310799887 - 2¹⁴ = 1310783503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310799817) 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, 5799887 + ... + 5800112.

It is an arithmetic number, because the mean of its divisors is an integer number (330600000).

Almost surely, 2^1310799887 is an apocalyptic number.

1310799887 is a deficient number, since it is larger than the sum of its proper divisors (11600113).

1310799887 is a wasteful number, since it uses less digits than its factorization.

1310799887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11600112.

The product of its (nonzero) digits is 762048, while the sum is 53.

The square root of 1310799887 is about 36204.9704736794. The cubic root of 1310799887 is about 1094.4068392834.

The spelling of 1310799887 in words is "one billion, three hundred ten million, seven hundred ninety-nine thousand, eight hundred eighty-seven".