531135106 has 4 divisors (see below), whose sum is σ = 796702662. Its totient is φ = 265567552.

The previous prime is 531135083. The next prime is 531135107. The reversal of 531135106 is 601531135.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 601531135 = 5 ⋅120306227.

It can be written as a sum of positive squares in only one way, i.e., 515063025 + 16072081 = 22695^2 + 4009^2 .

It is not an unprimeable number, because it can be changed into a prime (531135107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132783775 + ... + 132783778.

Almost surely, 2^531135106 is an apocalyptic number.

531135106 is a deficient number, since it is larger than the sum of its proper divisors (265567556).

531135106 is a wasteful number, since it uses less digits than its factorization.

531135106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265567555.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 531135106 is about 23046.3686076570. The cubic root of 531135106 is about 809.8445599202.

The spelling of 531135106 in words is "five hundred thirty-one million, one hundred thirty-five thousand, one hundred six".