105703531 has 2 divisors, whose sum is σ = 105703532. Its totient is φ = 105703530.

The previous prime is 105703529. The next prime is 105703567. The reversal of 105703531 is 135307501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105703531 - 2¹ = 105703529 is a prime.

It is a super-2 number, since 2×105703531² = 22346472931735922, which contains 22 as substring.

Together with 105703529, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 105703496 and 105703505.

It is not a weakly prime, because it can be changed into another prime (105704531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52851765 + 52851766.

It is an arithmetic number, because the mean of its divisors is an integer number (52851766).

Almost surely, 2^105703531 is an apocalyptic number.

105703531 is a deficient number, since it is larger than the sum of its proper divisors (1).

105703531 is an equidigital number, since it uses as much as digits as its factorization.

105703531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1575, while the sum is 25.

The square root of 105703531 is about 10281.2222522422. Note that the first 4 decimals coincide. The cubic root of 105703531 is about 472.8207182146.

The spelling of 105703531 in words is "one hundred five million, seven hundred three thousand, five hundred thirty-one".