106531403 has 8 divisors (see below), whose sum is σ = 118186560. Its totient is φ = 95204680.

The previous prime is 106531393. The next prime is 106531409. The reversal of 106531403 is 304135601.

It is a happy number.

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 106531403 - 2¹⁶ = 106465867 is a prime.

It is a super-2 number, since 2×106531403² = 22697879650296818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106531409) 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, 81425 + ... + 82722.

It is an arithmetic number, because the mean of its divisors is an integer number (14773320).

Almost surely, 2^106531403 is an apocalyptic number.

106531403 is a deficient number, since it is larger than the sum of its proper divisors (11655157).

106531403 is a wasteful number, since it uses less digits than its factorization.

106531403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164217.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 106531403 is about 10321.4050884557. The cubic root of 106531403 is about 474.0518897895.

The spelling of 106531403 in words is "one hundred six million, five hundred thirty-one thousand, four hundred three".