10509031 has 16 divisors (see below), whose sum is σ = 11854080. Its totient is φ = 9250560.

The previous prime is 10509029. The next prime is 10509097. The reversal of 10509031 is 13090501.

10509031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10509031 - 2¹ = 10509029 is a prime.

It is a super-2 number, since 2×10509031² = 220879465117922, 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 (10509131) 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, 35721 + ... + 36013.

It is an arithmetic number, because the mean of its divisors is an integer number (740880).

Almost surely, 2^10509031 is an apocalyptic number.

10509031 is a deficient number, since it is larger than the sum of its proper divisors (1345049).

10509031 is a wasteful number, since it uses less digits than its factorization.

10509031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426.

The product of its (nonzero) digits is 135, while the sum is 19.

The square root of 10509031 is about 3241.7635632476. The cubic root of 10509031 is about 219.0387190633.

Adding to 10509031 its reverse (13090501), we get a palindrome (23599532).

The spelling of 10509031 in words is "ten million, five hundred nine thousand, thirty-one".