105273131 has 2 divisors, whose sum is σ = 105273132. Its totient is φ = 105273130.

The previous prime is 105273121. The next prime is 105273143. The reversal of 105273131 is 131372501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105273131 - 2⁶ = 105273067 is a prime.

It is a super-2 number, since 2×105273131² = 22164864221086322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105273097 and 105273106.

It is not a weakly prime, because it can be changed into another prime (105273121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52636565 + 52636566.

It is an arithmetic number, because the mean of its divisors is an integer number (52636566).

Almost surely, 2^105273131 is an apocalyptic number.

105273131 is a deficient number, since it is larger than the sum of its proper divisors (1).

105273131 is an equidigital number, since it uses as much as digits as its factorization.

105273131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 105273131 is about 10260.2695383698. The cubic root of 105273131 is about 472.1781068597.

Subtracting from 105273131 its product of nonzero digits (630), we obtain a palindrome (105272501).

The spelling of 105273131 in words is "one hundred five million, two hundred seventy-three thousand, one hundred thirty-one".