13440032313 has 16 divisors (see below), whose sum is σ = 19134044160. Its totient is φ = 8371140624.

The previous prime is 13440032293. The next prime is 13440032317. The reversal of 13440032313 is 31323004431.

It is not a de Polignac number, because 13440032313 - 2¹⁰ = 13440031289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13440032317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2261953 + ... + 2267886.

It is an arithmetic number, because the mean of its divisors is an integer number (1195877760).

Almost surely, 2^13440032313 is an apocalyptic number.

It is an amenable number.

13440032313 is a deficient number, since it is larger than the sum of its proper divisors (5694011847).

13440032313 is a wasteful number, since it uses less digits than its factorization.

13440032313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4529908.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 13440032313 its reverse (31323004431), we get a palindrome (44763036744).

The spelling of 13440032313 in words is "thirteen billion, four hundred forty million, thirty-two thousand, three hundred thirteen".