531003125343340 has 24 divisors (see below), whose sum is σ = 1200883991161680. Its totient is φ = 196062692434368.

The previous prime is 531003125343331. The next prime is 531003125343349. The reversal of 531003125343340 is 43343521300135.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (531003125343331) and next prime (531003125343349).

It is a self number, because there is not a number n which added to its sum of digits gives 531003125343340.

It is not an unprimeable number, because it can be changed into a prime (531003125343349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1021159856170 + ... + 1021159856689.

It is an arithmetic number, because the mean of its divisors is an integer number (50036832965070).

Almost surely, 2^{531003125343340} is an apocalyptic number.

It is an amenable number.

531003125343340 is an abundant number, since it is smaller than the sum of its proper divisors (669880865818340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531003125343340 is a wasteful number, since it uses less digits than its factorization.

531003125343340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042319712881 (or 2042319712879 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 37.

Adding to 531003125343340 its reverse (43343521300135), we get a palindrome (574346646643475).

The spelling of 531003125343340 in words is "five hundred thirty-one trillion, three billion, one hundred twenty-five million, three hundred forty-three thousand, three hundred forty".