10840831 has 2 divisors, whose sum is σ = 10840832. Its totient is φ = 10840830.

The previous prime is 10840829. The next prime is 10840873. The reversal of 10840831 is 13804801.

It is a weak prime.

It is an emirp because it is prime and its reverse (13804801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10840831 - 2¹ = 10840829 is a prime.

It is a super-2 number, since 2×10840831² = 235047233541122, which contains 22 as substring.

Together with 10840829, it forms a pair of twin primes.

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 10840796 and 10840805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10840331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5420415 + 5420416.

It is an arithmetic number, because the mean of its divisors is an integer number (5420416).

Almost surely, 2^10840831 is an apocalyptic number.

10840831 is a deficient number, since it is larger than the sum of its proper divisors (1).

10840831 is an equidigital number, since it uses as much as digits as its factorization.

10840831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 10840831 is about 3292.5417233499. The cubic root of 10840831 is about 221.3201001447.

The spelling of 10840831 in words is "ten million, eight hundred forty thousand, eight hundred thirty-one".