13431011 has 8 divisors (see below), whose sum is σ = 15289344. Its totient is φ = 11678920.

The previous prime is 13430993. The next prime is 13431017. The reversal of 13431011 is 11013431.

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

It is not a de Polignac number, because 13431011 - 2⁶ = 13430947 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (13431017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26291 + ... + 26796.

It is an arithmetic number, because the mean of its divisors is an integer number (1911168).

Almost surely, 2^13431011 is an apocalyptic number.

13431011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13431011 is a deficient number, since it is larger than the sum of its proper divisors (1858333).

13431011 is a wasteful number, since it uses less digits than its factorization.

13431011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53121.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 13431011 is about 3664.8343755209. The cubic root of 13431011 is about 237.7038604214.

Adding to 13431011 its reverse (11013431), we get a palindrome (24444442).

The spelling of 13431011 in words is "thirteen million, four hundred thirty-one thousand, eleven".