105061031 has 2 divisors, whose sum is σ = 105061032. Its totient is φ = 105061030.

The previous prime is 105061001. The next prime is 105061069. The reversal of 105061031 is 130160501.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105061031 is a prime.

It is a super-2 number, since 2×105061031² = 22075640469565922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105061001) 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, 52530515 + 52530516.

It is an arithmetic number, because the mean of its divisors is an integer number (52530516).

Almost surely, 2^105061031 is an apocalyptic number.

105061031 is a deficient number, since it is larger than the sum of its proper divisors (1).

105061031 is an equidigital number, since it uses as much as digits as its factorization.

105061031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 105061031 is about 10249.9283412129. The cubic root of 105061031 is about 471.8607852742.

The spelling of 105061031 in words is "one hundred five million, sixty-one thousand, thirty-one".