1310501087 has 4 divisors (see below), whose sum is σ = 1497715536. Its totient is φ = 1123286640.

The previous prime is 1310501063. The next prime is 1310501089. The reversal of 1310501087 is 7801050131.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1310501087 - 2²² = 1306306783 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 (1310501089) 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 3 ways as a sum of consecutive naturals, for example, 93607214 + ... + 93607227.

It is an arithmetic number, because the mean of its divisors is an integer number (374428884).

Almost surely, 2^1310501087 is an apocalyptic number.

1310501087 is a deficient number, since it is larger than the sum of its proper divisors (187214449).

1310501087 is an equidigital number, since it uses as much as digits as its factorization.

1310501087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187214448.

The product of its (nonzero) digits is 840, while the sum is 26.

The square root of 1310501087 is about 36200.8437332612. The cubic root of 1310501087 is about 1094.3236754033.

The spelling of 1310501087 in words is "one billion, three hundred ten million, five hundred one thousand, eighty-seven".