13022831 has 2 divisors, whose sum is σ = 13022832. Its totient is φ = 13022830.

The previous prime is 13022803. The next prime is 13022861. The reversal of 13022831 is 13822031.

It is a weak prime.

It is an emirp because it is prime and its reverse (13822031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13022831 - 2¹⁴ = 13006447 is a prime.

It is a super-2 number, since 2×13022831² = 339188254509122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13022861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6511415 + 6511416.

It is an arithmetic number, because the mean of its divisors is an integer number (6511416).

Almost surely, 2^13022831 is an apocalyptic number.

13022831 is a deficient number, since it is larger than the sum of its proper divisors (1).

13022831 is an equidigital number, since it uses as much as digits as its factorization.

13022831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 13022831 is about 3608.7159766321. The cubic root of 13022831 is about 235.2710378134.

Adding to 13022831 its reverse (13822031), we get a palindrome (26844862).

The spelling of 13022831 in words is "thirteen million, twenty-two thousand, eight hundred thirty-one".