10909031 has 8 divisors (see below), whose sum is σ = 12625920. Its totient is φ = 9231768.

The previous prime is 10909009. The next prime is 10909033. The reversal of 10909031 is 13090901.

10909031 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10909031 - 2⁶ = 10908967 is a prime.

It is a super-2 number, since 2×10909031² = 238013914717922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10908988 and 10909006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10909033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9311 + ... + 10416.

It is an arithmetic number, because the mean of its divisors is an integer number (1578240).

Almost surely, 2^10909031 is an apocalyptic number.

10909031 is a deficient number, since it is larger than the sum of its proper divisors (1716889).

10909031 is an equidigital number, since it uses as much as digits as its factorization.

10909031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19813.

The product of its (nonzero) digits is 243, while the sum is 23.

The square root of 10909031 is about 3302.8822261776. The cubic root of 10909031 is about 221.7832407980.

Adding to 10909031 its reverse (13090901), we get a palindrome (23999932).

The spelling of 10909031 in words is "ten million, nine hundred nine thousand, thirty-one".