531241140312 has 24 divisors (see below), whose sum is σ = 1438778088540. Its totient is φ = 177080380080.

The previous prime is 531241140223. The next prime is 531241140403. The reversal of 531241140312 is 213041142135.

531241140312 is a `hidden beast` number, since 5 + 3 + 1 + 241 + 1 + 403 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3689174514 + ... + 3689174657.

Almost surely, 2^531241140312 is an apocalyptic number.

It is an amenable number.

531241140312 is an abundant number, since it is smaller than the sum of its proper divisors (907536948228).

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

531241140312 is a wasteful number, since it uses less digits than its factorization.

531241140312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7378349183 (or 7378349176 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 531241140312 its reverse (213041142135), we get a palindrome (744282282447).

The spelling of 531241140312 in words is "five hundred thirty-one billion, two hundred forty-one million, one hundred forty thousand, three hundred twelve".