1310319091 has 8 divisors (see below), whose sum is σ = 1356949440. Its totient is φ = 1264423272.

The previous prime is 1310319079. The next prime is 1310319107. The reversal of 1310319091 is 1909130131.

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 1310319091 - 2¹³ = 1310310899 is a prime.

It is a super-2 number, since 2×1310319091² = 3433872240478132562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1310319001) 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 7 ways as a sum of consecutive naturals, for example, 180001 + ... + 187138.

It is an arithmetic number, because the mean of its divisors is an integer number (169618680).

Almost surely, 2^1310319091 is an apocalyptic number.

1310319091 is a deficient number, since it is larger than the sum of its proper divisors (46630349).

1310319091 is an equidigital number, since it uses as much as digits as its factorization.

1310319091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367265.

The product of its (nonzero) digits is 729, while the sum is 28.

The square root of 1310319091 is about 36198.3299476647. The cubic root of 1310319091 is about 1094.2730149463.

The spelling of 1310319091 in words is "one billion, three hundred ten million, three hundred nineteen thousand, ninety-one".