531106402 has 8 divisors (see below), whose sum is σ = 798956496. Its totient is φ = 264787572.

The previous prime is 531106397. The next prime is 531106403. The reversal of 531106402 is 204601135.

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

It is not an unprimeable number, because it can be changed into a prime (531106403) 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 3 ways as a sum of consecutive naturals, for example, 381948 + ... + 383335.

It is an arithmetic number, because the mean of its divisors is an integer number (99869562).

Almost surely, 2^531106402 is an apocalyptic number.

531106402 is a deficient number, since it is larger than the sum of its proper divisors (267850094).

531106402 is a wasteful number, since it uses less digits than its factorization.

531106402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765632.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 531106402 is about 23045.7458547125. The cubic root of 531106402 is about 809.8299709160.

Adding to 531106402 its reverse (204601135), we get a palindrome (735707537).

The spelling of 531106402 in words is "five hundred thirty-one million, one hundred six thousand, four hundred two".