13105311 has 8 divisors (see below), whose sum is σ = 17490480. Its totient is φ = 8728512.

The previous prime is 13105277. The next prime is 13105319. The reversal of 13105311 is 11350131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13105311 - 2⁶ = 13105247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13105319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5011 + ... + 7163.

It is an arithmetic number, because the mean of its divisors is an integer number (2186310).

Almost surely, 2^13105311 is an apocalyptic number.

13105311 is a deficient number, since it is larger than the sum of its proper divisors (4385169).

13105311 is a wasteful number, since it uses less digits than its factorization.

13105311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4185.

The product of its (nonzero) digits is 45, while the sum is 15.

The square root of 13105311 is about 3620.1258265425. The cubic root of 13105311 is about 235.7666886509.

Adding to 13105311 its reverse (11350131), we get a palindrome (24455442).

The spelling of 13105311 in words is "thirteen million, one hundred five thousand, three hundred eleven".