13853131 has 2 divisors, whose sum is σ = 13853132. Its totient is φ = 13853130.

The previous prime is 13853101. The next prime is 13853143. The reversal of 13853131 is 13135831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13853131 - 2⁷ = 13853003 is a prime.

It is a super-2 number, since 2×13853131² = 383818477006322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13853096 and 13853105.

It is not a weakly prime, because it can be changed into another prime (13853101) 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 as a sum of consecutive naturals, namely, 6926565 + 6926566.

It is an arithmetic number, because the mean of its divisors is an integer number (6926566).

Almost surely, 2^13853131 is an apocalyptic number.

13853131 is a deficient number, since it is larger than the sum of its proper divisors (1).

13853131 is an equidigital number, since it uses as much as digits as its factorization.

13853131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 25.

The square root of 13853131 is about 3721.9794464774. The cubic root of 13853131 is about 240.1684638979.

Adding to 13853131 its reverse (13135831), we get a palindrome (26988962).

The spelling of 13853131 in words is "thirteen million, eight hundred fifty-three thousand, one hundred thirty-one".