10905031 has 12 divisors (see below), whose sum is σ = 11788680. Its totient is φ = 10056960.

The previous prime is 10905023. The next prime is 10905043. The reversal of 10905031 is 13050901.

It is not a de Polignac number, because 10905031 - 2³ = 10905023 is a prime.

It is a super-2 number, since 2×10905031² = 237839402221922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10905061) 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 11 ways as a sum of consecutive naturals, for example, 112375 + ... + 112471.

It is an arithmetic number, because the mean of its divisors is an integer number (982390).

Almost surely, 2^10905031 is an apocalyptic number.

10905031 is a deficient number, since it is larger than the sum of its proper divisors (883649).

10905031 is an frugal number, since it uses more digits than its factorization.

10905031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274 (or 177 counting only the distinct ones).

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

The square root of 10905031 is about 3302.2766389265. The cubic root of 10905031 is about 221.7561304949.

Adding to 10905031 its reverse (13050901), we get a palindrome (23955932).

The spelling of 10905031 in words is "ten million, nine hundred five thousand, thirty-one".