531354313450 has 24 divisors (see below), whose sum is σ = 1004520979980. Its totient is φ = 209057433600.

The previous prime is 531354313417. The next prime is 531354313459. The reversal of 531354313450 is 54313453135.

It can be written as a sum of positive squares in 6 ways, for example, as 53595491049 + 477758822401 = 231507^2 + 691201^2 .

It is not an unprimeable number, because it can be changed into a prime (531354313459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87104215 + ... + 87110314.

Almost surely, 2^531354313450 is an apocalyptic number.

531354313450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

531354313450 is a deficient number, since it is larger than the sum of its proper divisors (473166666530).

531354313450 is a wasteful number, since it uses less digits than its factorization.

531354313450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174214602 (or 174214597 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 37.

Adding to 531354313450 its reverse (54313453135), we get a palindrome (585667766585).

The spelling of 531354313450 in words is "five hundred thirty-one billion, three hundred fifty-four million, three hundred thirteen thousand, four hundred fifty".