10505331 has 12 divisors (see below), whose sum is σ = 15261480. Its totient is φ = 6963360.

The previous prime is 10505317. The next prime is 10505351. The reversal of 10505331 is 13350501.

It is a happy number.

10505331 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10505331 - 2¹⁹ = 9981043 is a prime.

It is a super-2 number, since 2×10505331² = 220723958839122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10505351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1650 + ... + 4871.

It is an arithmetic number, because the mean of its divisors is an integer number (1271790).

Almost surely, 2^10505331 is an apocalyptic number.

10505331 is a deficient number, since it is larger than the sum of its proper divisors (4756149).

10505331 is a wasteful number, since it uses less digits than its factorization.

10505331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6706 (or 6703 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 18.

The square root of 10505331 is about 3241.1928359788. The cubic root of 10505331 is about 219.0130097982.

Adding to 10505331 its reverse (13350501), we get a palindrome (23855832).

The spelling of 10505331 in words is "ten million, five hundred five thousand, three hundred thirty-one".