14131531 has 2 divisors, whose sum is σ = 14131532. Its totient is φ = 14131530.

The previous prime is 14131501. The next prime is 14131541. The reversal of 14131531 is 13513141.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14131531 is a prime.

It is a super-2 number, since 2×14131531² = 399400336807922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14131499 and 14131508.

It is not a weakly prime, because it can be changed into another prime (14131501) 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, 7065765 + 7065766.

It is an arithmetic number, because the mean of its divisors is an integer number (7065766).

Almost surely, 2^14131531 is an apocalyptic number.

14131531 is a deficient number, since it is larger than the sum of its proper divisors (1).

14131531 is an equidigital number, since it uses as much as digits as its factorization.

14131531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 180, while the sum is 19.

The square root of 14131531 is about 3759.1928654965. The cubic root of 14131531 is about 241.7666568923.

Adding to 14131531 its reverse (13513141), we get a palindrome (27644672).

The spelling of 14131531 in words is "fourteen million, one hundred thirty-one thousand, five hundred thirty-one".