531243402332 has 12 divisors (see below), whose sum is σ = 936996238080. Its totient is φ = 263530191456.

The previous prime is 531243402299. The next prime is 531243402343. The reversal of 531243402332 is 233204342135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522876857 + ... + 522877872.

It is an arithmetic number, because the mean of its divisors is an integer number (78083019840).

Almost surely, 2^531243402332 is an apocalyptic number.

It is an amenable number.

531243402332 is a deficient number, since it is larger than the sum of its proper divisors (405752835748).

531243402332 is a wasteful number, since it uses less digits than its factorization.

531243402332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045754860 (or 1045754858 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 531243402332 its reverse (233204342135), we get a palindrome (764447744467).

The spelling of 531243402332 in words is "five hundred thirty-one billion, two hundred forty-three million, four hundred two thousand, three hundred thirty-two".