10431009 has 6 divisors (see below), whose sum is σ = 15067026. Its totient is φ = 6954000.

The previous prime is 10430999. The next prime is 10431011. The reversal of 10431009 is 90013401.

It can be written as a sum of positive squares in only one way, i.e., 10419984 + 11025 = 3228^2 + 105^2 .

It is not a de Polignac number, because 10431009 - 2⁷ = 10430881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10430982 and 10431000.

It is not an unprimeable number, because it can be changed into a prime (10431049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 579492 + ... + 579509.

It is an arithmetic number, because the mean of its divisors is an integer number (2511171).

Almost surely, 2^10431009 is an apocalyptic number.

It is an amenable number.

10431009 is a deficient number, since it is larger than the sum of its proper divisors (4636017).

10431009 is a wasteful number, since it uses less digits than its factorization.

10431009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159007 (or 1159004 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 10431009 is about 3229.7072622763. The cubic root of 10431009 is about 218.4953036744.

It can be divided in two parts, 104 and 31009, that added together give a palindrome (31113).

The spelling of 10431009 in words is "ten million, four hundred thirty-one thousand, nine".