105281131 has 2 divisors, whose sum is σ = 105281132. Its totient is φ = 105281130.

The previous prime is 105281123. The next prime is 105281201. The reversal of 105281131 is 131182501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105281131 - 2³ = 105281123 is a prime.

It is a super-2 number, since 2×105281131² = 22168233089278322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (105281431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52640565 + 52640566.

It is an arithmetic number, because the mean of its divisors is an integer number (52640566).

Almost surely, 2^105281131 is an apocalyptic number.

105281131 is a deficient number, since it is larger than the sum of its proper divisors (1).

105281131 is an equidigital number, since it uses as much as digits as its factorization.

105281131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 22.

The square root of 105281131 is about 10260.6593842696. The cubic root of 105281131 is about 472.1900672689.

The spelling of 105281131 in words is "one hundred five million, two hundred eighty-one thousand, one hundred thirty-one".