106431451 has 8 divisors (see below), whose sum is σ = 123003360. Its totient is φ = 90201408.

The previous prime is 106431383. The next prime is 106431467. The reversal of 106431451 is 154134601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 106431451 - 2⁷ = 106431323 is a prime.

It is a super-2 number, since 2×106431451² = 22655307523930802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106431151) 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 in 7 ways as a sum of consecutive naturals, for example, 84796 + ... + 86041.

It is an arithmetic number, because the mean of its divisors is an integer number (15375420).

Almost surely, 2^106431451 is an apocalyptic number.

106431451 is a deficient number, since it is larger than the sum of its proper divisors (16571909).

106431451 is an equidigital number, since it uses as much as digits as its factorization.

106431451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170933.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 106431451 is about 10316.5619757747. The cubic root of 106431451 is about 473.9035852847.

The spelling of 106431451 in words is "one hundred six million, four hundred thirty-one thousand, four hundred fifty-one".