531203142203712 has 168 divisors, whose sum is σ = 1661059441615392. Its totient is φ = 160966428134400.

The previous prime is 531203142203647. The next prime is 531203142203717. The reversal of 531203142203712 is 217302241302135.

531203142203712 is a `hidden beast` number, since 5 + 3 + 120 + 3 + 142 + 20 + 371 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531203142203717) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 244890043 + ... + 247049669.

It is an arithmetic number, because the mean of its divisors is an integer number (9887258581044).

Almost surely, 2^{531203142203712} is an apocalyptic number.

It is an amenable number.

531203142203712 is an abundant number, since it is smaller than the sum of its proper divisors (1129856299411680).

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

531203142203712 is a wasteful number, since it uses less digits than its factorization.

531203142203712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2198477 (or 2198464 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

Adding to 531203142203712 its reverse (217302241302135), we get a palindrome (748505383505847).

The spelling of 531203142203712 in words is "five hundred thirty-one trillion, two hundred three billion, one hundred forty-two million, two hundred three thousand, seven hundred twelve".