1313111499 has 16 divisors (see below), whose sum is σ = 2002905600. Its totient is φ = 749609280.

The previous prime is 1313111497. The next prime is 1313111507. The reversal of 1313111499 is 9941113131.

It is not a de Polignac number, because 1313111499 - 2¹ = 1313111497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1313111497) 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 15 ways as a sum of consecutive naturals, for example, 8674 + ... + 51975.

It is an arithmetic number, because the mean of its divisors is an integer number (125181600).

Almost surely, 2^1313111499 is an apocalyptic number.

1313111499 is a deficient number, since it is larger than the sum of its proper divisors (689794101).

1313111499 is a wasteful number, since it uses less digits than its factorization.

1313111499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61690.

The product of its digits is 2916, while the sum is 33.

The square root of 1313111499 is about 36236.8803706942. The cubic root of 1313111499 is about 1095.0497948624.

The spelling of 1313111499 in words is "one billion, three hundred thirteen million, one hundred eleven thousand, four hundred ninety-nine".