106142431 has 2 divisors, whose sum is σ = 106142432. Its totient is φ = 106142430.

The previous prime is 106142383. The next prime is 106142459. The reversal of 106142431 is 134241601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 106142431 - 2¹³ = 106134239 is a prime.

It is a super-2 number, since 2×106142431² = 22532431317179522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106142461) 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, 53071215 + 53071216.

It is an arithmetic number, because the mean of its divisors is an integer number (53071216).

Almost surely, 2^106142431 is an apocalyptic number.

106142431 is a deficient number, since it is larger than the sum of its proper divisors (1).

106142431 is an equidigital number, since it uses as much as digits as its factorization.

106142431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 106142431 is about 10302.5448797858. The cubic root of 106142431 is about 473.4742266658.

The spelling of 106142431 in words is "one hundred six million, one hundred forty-two thousand, four hundred thirty-one".