53143031 has 2 divisors, whose sum is σ = 53143032. Its totient is φ = 53143030.

The previous prime is 53143009. The next prime is 53143033. The reversal of 53143031 is 13034135.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53143031 is a prime.

It is a super-2 number, since 2×53143031² = 5648363487733922, which contains 22 as substring.

Together with 53143033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 53142994 and 53143012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53143033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26571515 + 26571516.

It is an arithmetic number, because the mean of its divisors is an integer number (26571516).

Almost surely, 2^53143031 is an apocalyptic number.

53143031 is a deficient number, since it is larger than the sum of its proper divisors (1).

53143031 is an equidigital number, since it uses as much as digits as its factorization.

53143031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 53143031 is about 7289.9266800154. The cubic root of 53143031 is about 375.9661746205.

Adding to 53143031 its reverse (13034135), we get a palindrome (66177166).

The spelling of 53143031 in words is "fifty-three million, one hundred forty-three thousand, thirty-one".