10091313 has 6 divisors (see below), whose sum is σ = 14576354. Its totient is φ = 6727536.

The previous prime is 10091311. The next prime is 10091327. The reversal of 10091313 is 31319001.

It can be written as a sum of positive squares in only one way, i.e., 9659664 + 431649 = 3108^2 + 657^2 .

It is not a de Polignac number, because 10091313 - 2¹ = 10091311 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10091311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 560620 + ... + 560637.

Almost surely, 2^10091313 is an apocalyptic number.

It is an amenable number.

10091313 is a deficient number, since it is larger than the sum of its proper divisors (4485041).

10091313 is a wasteful number, since it uses less digits than its factorization.

10091313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121263 (or 1121260 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 18.

The square root of 10091313 is about 3176.6827037021. The cubic root of 10091313 is about 216.0972427376.

It can be divided in two parts, 10091 and 313, that added together give a square (10404 = 102²).

The spelling of 10091313 in words is "ten million, ninety-one thousand, three hundred thirteen".