13150431 has 32 divisors (see below), whose sum is σ = 22566400. Its totient is φ = 7505784.

The previous prime is 13150399. The next prime is 13150471. The reversal of 13150431 is 13405131.

13150431 is a `hidden beast` number, since 131 + 504 + 31 = 666.

It is not a de Polignac number, because 13150431 - 2⁵ = 13150399 is a prime.

It is a super-2 number, since 2×13150431² = 345867670971522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13150471) 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 31 ways as a sum of consecutive naturals, for example, 14880 + ... + 15738.

It is an arithmetic number, because the mean of its divisors is an integer number (705200).

Almost surely, 2^13150431 is an apocalyptic number.

13150431 is a deficient number, since it is larger than the sum of its proper divisors (9415969).

13150431 is an frugal number, since it uses more digits than its factorization.

13150431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887 (or 869 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 13150431 is about 3626.3522994877. The cubic root of 13150431 is about 236.0369507881.

Adding to 13150431 its reverse (13405131), we get a palindrome (26555562).

The spelling of 13150431 in words is "thirteen million, one hundred fifty thousand, four hundred thirty-one".